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Finding the Fourth Proportional to 169,387.38, 233,754.52 and 93,935.88

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Solution

The fourth proportional to 169,387.38, 233,754.52 and 93,935.88 is: 129,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,387.38 : 233,754.52 = 93,935.88 : x
  2. Step 2: Convert to fraction form
    169,387.38/233,754.52 = 93,935.88/x
  3. Step 3: Cross multiply
    169,387.38x = 233,754.52 × 93,935.88
  4. Step 4: Simplify right side
    169,387.38x = 21,957,936,540.18
  5. Step 5: Solve for x
    x = 21,957,936,540.18/169,387.38
  6. Step 6: Final answer
    x = 129,631.48

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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.