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Finding the Fourth Proportional to 87,159.39, 130,740.90 and 24,829.89

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Solution

The fourth proportional to 87,159.39, 130,740.90 and 24,829.89 is: 37,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,159.39 : 130,740.90 = 24,829.89 : x
  2. Step 2: Convert to fraction form
    87,159.39/130,740.90 = 24,829.89/x
  3. Step 3: Cross multiply
    87,159.39x = 130,740.90 × 24,829.89
  4. Step 4: Simplify right side
    87,159.39x = 3,246,282,165.50
  5. Step 5: Solve for x
    x = 3,246,282,165.50/87,159.39
  6. Step 6: Final answer
    x = 37,245.35

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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.