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Finding the Fourth Proportional to 87,366.52, 131,049.76 and 21,702.52

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Solution

The fourth proportional to 87,366.52, 131,049.76 and 21,702.52 is: 32,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366.52 : 131,049.76 = 21,702.52 : x
  2. Step 2: Convert to fraction form
    87,366.52/131,049.76 = 21,702.52/x
  3. Step 3: Cross multiply
    87,366.52x = 131,049.76 × 21,702.52
  4. Step 4: Simplify right side
    87,366.52x = 2,844,110,037.40
  5. Step 5: Solve for x
    x = 2,844,110,037.40/87,366.52
  6. Step 6: Final answer
    x = 32,553.78

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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.