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Finding the Fourth Proportional to 132,358.59, 182,475.99 and 89,843.31

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Solution

The fourth proportional to 132,358.59, 182,475.99 and 89,843.31 is: 123,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,358.59 : 182,475.99 = 89,843.31 : x
  2. Step 2: Convert to fraction form
    132,358.59/182,475.99 = 89,843.31/x
  3. Step 3: Cross multiply
    132,358.59x = 182,475.99 × 89,843.31
  4. Step 4: Simplify right side
    132,358.59x = 16,394,246,937.13
  5. Step 5: Solve for x
    x = 16,394,246,937.13/132,358.59
  6. Step 6: Final answer
    x = 123,862.36

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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.