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Finding the Fourth Proportional to 87,371.62, 131,057.57 and 37,447.81

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Solution

The fourth proportional to 87,371.62, 131,057.57 and 37,447.81 is: 56,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,371.62 : 131,057.57 = 37,447.81 : x
  2. Step 2: Convert to fraction form
    87,371.62/131,057.57 = 37,447.81/x
  3. Step 3: Cross multiply
    87,371.62x = 131,057.57 × 37,447.81
  4. Step 4: Simplify right side
    87,371.62x = 4,907,818,793.18
  5. Step 5: Solve for x
    x = 4,907,818,793.18/87,371.62
  6. Step 6: Final answer
    x = 56,171.77

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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.