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Finding the Fourth Proportional to 59,542.52, 89,335.59 and 42,921.32

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Solution

The fourth proportional to 59,542.52, 89,335.59 and 42,921.32 is: 64,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,542.52 : 89,335.59 = 42,921.32 : x
  2. Step 2: Convert to fraction form
    59,542.52/89,335.59 = 42,921.32/x
  3. Step 3: Cross multiply
    59,542.52x = 89,335.59 × 42,921.32
  4. Step 4: Simplify right side
    59,542.52x = 3,834,401,445.78
  5. Step 5: Solve for x
    x = 3,834,401,445.78/59,542.52
  6. Step 6: Final answer
    x = 64,397.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.