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Finding the Fourth Proportional to 169,078.70, 233,294.43 and 93,613.10

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Solution

The fourth proportional to 169,078.70, 233,294.43 and 93,613.10 is: 129,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,078.70 : 233,294.43 = 93,613.10 : x
  2. Step 2: Convert to fraction form
    169,078.70/233,294.43 = 93,613.10/x
  3. Step 3: Cross multiply
    169,078.70x = 233,294.43 × 93,613.10
  4. Step 4: Simplify right side
    169,078.70x = 21,839,414,805.03
  5. Step 5: Solve for x
    x = 21,839,414,805.03/169,078.70
  6. Step 6: Final answer
    x = 129,167.16

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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.