Philadelphia's location is 39° 57' 04.89" N - 75° 09' 57.26" W
Your question is meaningless, there is either an absolute logation (x/y point) or an approximate location(near the house on the corner), there can not be an "approximate absolute" location.
North American Continent.
40 degrees north, 75 degrees west
40 degrees north, 75 degrees west
40 degrees north, 75 degrees west
40 degrees north, 75 degrees west
40 degrees north, 75 degrees west
Latitude: N 39° 57' 9.3024" / Longitude: W 75° 9' 54.7992"
Latitude: N 39° 57' 9.3024" / Longitude: W 75° 9' 54.7992"
Latitude: N 39° 57' 9.3024" / Longitude: W 75° 9' 54.7992"
Latitude: N 39° 57' 9.3024" / Longitude: W 75° 9' 54.7992"
Latitude: N 39° 57' 9.3024" / Longitude: W 75° 9' 54.7992"