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Finding the Fourth Proportional to 80,481.12, 111,069.14 and 44,671.14

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Solution

The fourth proportional to 80,481.12, 111,069.14 and 44,671.14 is: 61,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,481.12 : 111,069.14 = 44,671.14 : x
  2. Step 2: Convert to fraction form
    80,481.12/111,069.14 = 44,671.14/x
  3. Step 3: Cross multiply
    80,481.12x = 111,069.14 × 44,671.14
  4. Step 4: Simplify right side
    80,481.12x = 4,961,585,102.62
  5. Step 5: Solve for x
    x = 4,961,585,102.62/80,481.12
  6. Step 6: Final answer
    x = 61,649.06

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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.