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Finding the Fourth Proportional to 84,466.57, 126,863.88 and 62,191.97

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Solution

The fourth proportional to 84,466.57, 126,863.88 and 62,191.97 is: 93,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,466.57 : 126,863.88 = 62,191.97 : x
  2. Step 2: Convert to fraction form
    84,466.57/126,863.88 = 62,191.97/x
  3. Step 3: Cross multiply
    84,466.57x = 126,863.88 × 62,191.97
  4. Step 4: Simplify right side
    84,466.57x = 7,889,914,702.98
  5. Step 5: Solve for x
    x = 7,889,914,702.98/84,466.57
  6. Step 6: Final answer
    x = 93,408.73

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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.