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Finding the Fourth Proportional to 86,372, 129,558 and 24,044.12

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Solution

The fourth proportional to 86,372, 129,558 and 24,044.12 is: 36,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,372 : 129,558 = 24,044.12 : x
  2. Step 2: Convert to fraction form
    86,372/129,558 = 24,044.12/x
  3. Step 3: Cross multiply
    86,372x = 129,558 × 24,044.12
  4. Step 4: Simplify right side
    86,372x = 3,115,108,098.96
  5. Step 5: Solve for x
    x = 3,115,108,098.96/86,372
  6. Step 6: Final answer
    x = 36,066.18

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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.