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Finding the Fourth Proportional to 87,136.87, 130,694.91 and 23,963.41

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Solution

The fourth proportional to 87,136.87, 130,694.91 and 23,963.41 is: 35,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,136.87 : 130,694.91 = 23,963.41 : x
  2. Step 2: Convert to fraction form
    87,136.87/130,694.91 = 23,963.41/x
  3. Step 3: Cross multiply
    87,136.87x = 130,694.91 × 23,963.41
  4. Step 4: Simplify right side
    87,136.87x = 3,131,895,713.24
  5. Step 5: Solve for x
    x = 3,131,895,713.24/87,136.87
  6. Step 6: Final answer
    x = 35,942.26

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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.