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Finding the Fourth Proportional to 87,074.91, 130,612.51 and 23,895.90

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Solution

The fourth proportional to 87,074.91, 130,612.51 and 23,895.90 is: 35,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,074.91 : 130,612.51 = 23,895.90 : x
  2. Step 2: Convert to fraction form
    87,074.91/130,612.51 = 23,895.90/x
  3. Step 3: Cross multiply
    87,074.91x = 130,612.51 × 23,895.90
  4. Step 4: Simplify right side
    87,074.91x = 3,121,103,477.71
  5. Step 5: Solve for x
    x = 3,121,103,477.71/87,074.91
  6. Step 6: Final answer
    x = 35,843.89

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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.