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Finding the Fourth Proportional to 87,136.82, 130,694.82 and 23,963.36

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Solution

The fourth proportional to 87,136.82, 130,694.82 and 23,963.36 is: 35,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,136.82 : 130,694.82 = 23,963.36 : x
  2. Step 2: Convert to fraction form
    87,136.82/130,694.82 = 23,963.36/x
  3. Step 3: Cross multiply
    87,136.82x = 130,694.82 × 23,963.36
  4. Step 4: Simplify right side
    87,136.82x = 3,131,886,368.32
  5. Step 5: Solve for x
    x = 3,131,886,368.32/87,136.82
  6. Step 6: Final answer
    x = 35,942.17

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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.