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Finding the Fourth Proportional to 151,997.87, 227,996.87 and 39,677.78

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Solution

The fourth proportional to 151,997.87, 227,996.87 and 39,677.78 is: 59,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,997.87 : 227,996.87 = 39,677.78 : x
  2. Step 2: Convert to fraction form
    151,997.87/227,996.87 = 39,677.78/x
  3. Step 3: Cross multiply
    151,997.87x = 227,996.87 × 39,677.78
  4. Step 4: Simplify right side
    151,997.87x = 9,046,408,310.18
  5. Step 5: Solve for x
    x = 9,046,408,310.18/151,997.87
  6. Step 6: Final answer
    x = 59,516.68

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1.5x scale

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.