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Finding the Fourth Proportional to 80,591.93, 111,211.97 and 44,780.71

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Solution

The fourth proportional to 80,591.93, 111,211.97 and 44,780.71 is: 61,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,591.93 : 111,211.97 = 44,780.71 : x
  2. Step 2: Convert to fraction form
    80,591.93/111,211.97 = 44,780.71/x
  3. Step 3: Cross multiply
    80,591.93x = 111,211.97 × 44,780.71
  4. Step 4: Simplify right side
    80,591.93x = 4,980,150,977.10
  5. Step 5: Solve for x
    x = 4,980,150,977.10/80,591.93
  6. Step 6: Final answer
    x = 61,794.66

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1.5x scale

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.