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Finding the Fourth Proportional to 88,541.61, 132,625.15 and 71,601.92

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Solution

The fourth proportional to 88,541.61, 132,625.15 and 71,601.92 is: 107,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,541.61 : 132,625.15 = 71,601.92 : x
  2. Step 2: Convert to fraction form
    88,541.61/132,625.15 = 71,601.92/x
  3. Step 3: Cross multiply
    88,541.61x = 132,625.15 × 71,601.92
  4. Step 4: Simplify right side
    88,541.61x = 9,496,215,781.52
  5. Step 5: Solve for x
    x = 9,496,215,781.52/88,541.61
  6. Step 6: Final answer
    x = 107,251.45

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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.