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Finding the Fourth Proportional to 84,179.31, 126,323.64 and 44,764.11

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Solution

The fourth proportional to 84,179.31, 126,323.64 and 44,764.11 is: 67,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,179.31 : 126,323.64 = 44,764.11 : x
  2. Step 2: Convert to fraction form
    84,179.31/126,323.64 = 44,764.11/x
  3. Step 3: Cross multiply
    84,179.31x = 126,323.64 × 44,764.11
  4. Step 4: Simplify right side
    84,179.31x = 5,654,765,316.56
  5. Step 5: Solve for x
    x = 5,654,765,316.56/84,179.31
  6. Step 6: Final answer
    x = 67,175.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.