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Finding the Fourth Proportional to 89,924.62, 134,874.13 and 36,639.85

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Solution

The fourth proportional to 89,924.62, 134,874.13 and 36,639.85 is: 54,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,924.62 : 134,874.13 = 36,639.85 : x
  2. Step 2: Convert to fraction form
    89,924.62/134,874.13 = 36,639.85/x
  3. Step 3: Cross multiply
    89,924.62x = 134,874.13 × 36,639.85
  4. Step 4: Simplify right side
    89,924.62x = 4,941,767,892.08
  5. Step 5: Solve for x
    x = 4,941,767,892.08/89,924.62
  6. Step 6: Final answer
    x = 54,954.56

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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.