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Finding the Fourth Proportional to 71,894.96, 107,685.28 and 59,273.24

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Solution

The fourth proportional to 71,894.96, 107,685.28 and 59,273.24 is: 88,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,894.96 : 107,685.28 = 59,273.24 : x
  2. Step 2: Convert to fraction form
    71,894.96/107,685.28 = 59,273.24/x
  3. Step 3: Cross multiply
    71,894.96x = 107,685.28 × 59,273.24
  4. Step 4: Simplify right side
    71,894.96x = 6,382,854,981.57
  5. Step 5: Solve for x
    x = 6,382,854,981.57/71,894.96
  6. Step 6: Final answer
    x = 88,780.29

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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.