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Finding the Fourth Proportional to 87,366.60, 130,940.22 and 37,387.92

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Solution

The fourth proportional to 87,366.60, 130,940.22 and 37,387.92 is: 56,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366.60 : 130,940.22 = 37,387.92 : x
  2. Step 2: Convert to fraction form
    87,366.60/130,940.22 = 37,387.92/x
  3. Step 3: Cross multiply
    87,366.60x = 130,940.22 × 37,387.92
  4. Step 4: Simplify right side
    87,366.60x = 4,895,582,470.14
  5. Step 5: Solve for x
    x = 4,895,582,470.14/87,366.60
  6. Step 6: Final answer
    x = 56,034.94

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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.