To find the final coordinates, you must solve these two riddles:
Riddle #1: What is the best time to go to the dentist?
Riddle #2: Why is 6 afraid of 7?
AAA = Riddle #1 - 180
BBB = Riddle #2 - 190
Final Cache Location:
N 44 56.AAA
W 092 58.BBB
07/28/2010 Update: Had to relocate final location due to a muggle squire that didn't appreciate the cache sitting in his living room. New location should be just as easy. Have Fun!