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Finding the Fourth Proportional to 91,770.62, 137,626.76 and 62,377.34

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Solution

The fourth proportional to 91,770.62, 137,626.76 and 62,377.34 is: 93,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,770.62 : 137,626.76 = 62,377.34 : x
  2. Step 2: Convert to fraction form
    91,770.62/137,626.76 = 62,377.34/x
  3. Step 3: Cross multiply
    91,770.62x = 137,626.76 × 62,377.34
  4. Step 4: Simplify right side
    91,770.62x = 8,584,790,513.48
  5. Step 5: Solve for x
    x = 8,584,790,513.48/91,770.62
  6. Step 6: Final answer
    x = 93,546.18

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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.