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Finding the Fourth Proportional to 67,872.60, 101,676.42 and 44,427.96

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Solution

The fourth proportional to 67,872.60, 101,676.42 and 44,427.96 is: 66,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,872.60 : 101,676.42 = 44,427.96 : x
  2. Step 2: Convert to fraction form
    67,872.60/101,676.42 = 44,427.96/x
  3. Step 3: Cross multiply
    67,872.60x = 101,676.42 × 44,427.96
  4. Step 4: Simplify right side
    67,872.60x = 4,517,275,920.70
  5. Step 5: Solve for x
    x = 4,517,275,920.70/67,872.60
  6. Step 6: Final answer
    x = 66,555.22

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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.