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Finding the Fourth Proportional to 80,604.45, 111,231.92 and 44,793.54

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Solution

The fourth proportional to 80,604.45, 111,231.92 and 44,793.54 is: 61,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,604.45 : 111,231.92 = 44,793.54 : x
  2. Step 2: Convert to fraction form
    80,604.45/111,231.92 = 44,793.54/x
  3. Step 3: Cross multiply
    80,604.45x = 111,231.92 × 44,793.54
  4. Step 4: Simplify right side
    80,604.45x = 4,982,471,569.78
  5. Step 5: Solve for x
    x = 4,982,471,569.78/80,604.45
  6. Step 6: Final answer
    x = 61,813.85

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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.