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Finding the Fourth Proportional to 80,481.60, 111,065.82 and 44,673.90

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Solution

The fourth proportional to 80,481.60, 111,065.82 and 44,673.90 is: 61,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,481.60 : 111,065.82 = 44,673.90 : x
  2. Step 2: Convert to fraction form
    80,481.60/111,065.82 = 44,673.90/x
  3. Step 3: Cross multiply
    80,481.60x = 111,065.82 × 44,673.90
  4. Step 4: Simplify right side
    80,481.60x = 4,961,743,336.10
  5. Step 5: Solve for x
    x = 4,961,743,336.10/80,481.60
  6. Step 6: Final answer
    x = 61,650.65

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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.