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Finding the Fourth Proportional to 80,647.92, 111,296.70 and 44,839.44

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Solution

The fourth proportional to 80,647.92, 111,296.70 and 44,839.44 is: 61,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,647.92 : 111,296.70 = 44,839.44 : x
  2. Step 2: Convert to fraction form
    80,647.92/111,296.70 = 44,839.44/x
  3. Step 3: Cross multiply
    80,647.92x = 111,296.70 × 44,839.44
  4. Step 4: Simplify right side
    80,647.92x = 4,990,481,701.85
  5. Step 5: Solve for x
    x = 4,990,481,701.85/80,647.92
  6. Step 6: Final answer
    x = 61,879.86

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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.