Finding the Fourth Proportional to 168,418.53, 232,417.62 and 92,967.03
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Solution
The fourth proportional to 168,418.53, 232,417.62 and 92,967.03 is: 128,294.53
Step by Step Solution
- Step 1: Write the proportion equation
168,418.53 : 232,417.62 = 92,967.03 : x - Step 2: Convert to fraction form
168,418.53/232,417.62 = 92,967.03/x - Step 3: Cross multiply
168,418.53x = 232,417.62 × 92,967.03 - Step 4: Simplify right side
168,418.53x = 21,607,175,851.07 - Step 5: Solve for x
x = 21,607,175,851.07/168,418.53 - Step 6: Final answer
x = 128,294.53
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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.