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Finding the Fourth Proportional to 87,060.62, 130,590.96 and 23,881.40

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Solution

The fourth proportional to 87,060.62, 130,590.96 and 23,881.40 is: 35,822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,060.62 : 130,590.96 = 23,881.40 : x
  2. Step 2: Convert to fraction form
    87,060.62/130,590.96 = 23,881.40/x
  3. Step 3: Cross multiply
    87,060.62x = 130,590.96 × 23,881.40
  4. Step 4: Simplify right side
    87,060.62x = 3,118,694,952.14
  5. Step 5: Solve for x
    x = 3,118,694,952.14/87,060.62
  6. Step 6: Final answer
    x = 35,822.11

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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.