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Finding the Fourth Proportional to 101,286.91, 151,956.76 and 59,202.90

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Solution

The fourth proportional to 101,286.91, 151,956.76 and 59,202.90 is: 88,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,286.91 : 151,956.76 = 59,202.90 : x
  2. Step 2: Convert to fraction form
    101,286.91/151,956.76 = 59,202.90/x
  3. Step 3: Cross multiply
    101,286.91x = 151,956.76 × 59,202.90
  4. Step 4: Simplify right side
    101,286.91x = 8,996,280,829.60
  5. Step 5: Solve for x
    x = 8,996,280,829.60/101,286.91
  6. Step 6: Final answer
    x = 88,819.78

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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.