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Finding the Fourth Proportional to 80,542, 111,149.46 and 44,735.32

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Solution

The fourth proportional to 80,542, 111,149.46 and 44,735.32 is: 61,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,542 : 111,149.46 = 44,735.32 : x
  2. Step 2: Convert to fraction form
    80,542/111,149.46 = 44,735.32/x
  3. Step 3: Cross multiply
    80,542x = 111,149.46 × 44,735.32
  4. Step 4: Simplify right side
    80,542x = 4,972,306,660.93
  5. Step 5: Solve for x
    x = 4,972,306,660.93/80,542
  6. Step 6: Final answer
    x = 61,735.57

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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.