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Finding the Fourth Proportional to 234,044.48, 322,979.92 and 126,614.08

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Solution

The fourth proportional to 234,044.48, 322,979.92 and 126,614.08 is: 174,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,044.48 : 322,979.92 = 126,614.08 : x
  2. Step 2: Convert to fraction form
    234,044.48/322,979.92 = 126,614.08/x
  3. Step 3: Cross multiply
    234,044.48x = 322,979.92 × 126,614.08
  4. Step 4: Simplify right side
    234,044.48x = 40,893,805,429.27
  5. Step 5: Solve for x
    x = 40,893,805,429.27/234,044.48
  6. Step 6: Final answer
    x = 174,726.64

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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.