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Finding the Fourth Proportional to 234,092.12, 323,044.82 and 126,659.79

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Solution

The fourth proportional to 234,092.12, 323,044.82 and 126,659.79 is: 174,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,092.12 : 323,044.82 = 126,659.79 : x
  2. Step 2: Convert to fraction form
    234,092.12/323,044.82 = 126,659.79/x
  3. Step 3: Cross multiply
    234,092.12x = 323,044.82 × 126,659.79
  4. Step 4: Simplify right side
    234,092.12x = 40,916,789,061.79
  5. Step 5: Solve for x
    x = 40,916,789,061.79/234,092.12
  6. Step 6: Final answer
    x = 174,789.27

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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.