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Finding the Fourth Proportional to 87,371.87, 131,057.94 and 37,448.06

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Solution

The fourth proportional to 87,371.87, 131,057.94 and 37,448.06 is: 56,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,371.87 : 131,057.94 = 37,448.06 : x
  2. Step 2: Convert to fraction form
    87,371.87/131,057.94 = 37,448.06/x
  3. Step 3: Cross multiply
    87,371.87x = 131,057.94 × 37,448.06
  4. Step 4: Simplify right side
    87,371.87x = 4,907,865,600.60
  5. Step 5: Solve for x
    x = 4,907,865,600.60/87,371.87
  6. Step 6: Final answer
    x = 56,172.15

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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.