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Finding the Fourth Proportional to 80,551.68, 111,161.16 and 44,747.04

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Solution

The fourth proportional to 80,551.68, 111,161.16 and 44,747.04 is: 61,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,551.68 : 111,161.16 = 44,747.04 : x
  2. Step 2: Convert to fraction form
    80,551.68/111,161.16 = 44,747.04/x
  3. Step 3: Cross multiply
    80,551.68x = 111,161.16 × 44,747.04
  4. Step 4: Simplify right side
    80,551.68x = 4,974,132,872.97
  5. Step 5: Solve for x
    x = 4,974,132,872.97/80,551.68
  6. Step 6: Final answer
    x = 61,750.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.