Finding the Fourth Proportional to 117,327.36, 161,755.12 and 93,208.35
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Solution
The fourth proportional to 117,327.36, 161,755.12 and 93,208.35 is: 128,503.09
Step by Step Solution
- Step 1: Write the proportion equation
117,327.36 : 161,755.12 = 93,208.35 : x - Step 2: Convert to fraction form
117,327.36/161,755.12 = 93,208.35/x - Step 3: Cross multiply
117,327.36x = 161,755.12 × 93,208.35 - Step 4: Simplify right side
117,327.36x = 15,076,927,839.25 - Step 5: Solve for x
x = 15,076,927,839.25/117,327.36 - Step 6: Final answer
x = 128,503.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.