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Finding the Fourth Proportional to 67,406.70, 101,110.05 and 62,337.90

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Solution

The fourth proportional to 67,406.70, 101,110.05 and 62,337.90 is: 93,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,406.70 : 101,110.05 = 62,337.90 : x
  2. Step 2: Convert to fraction form
    67,406.70/101,110.05 = 62,337.90/x
  3. Step 3: Cross multiply
    67,406.70x = 101,110.05 × 62,337.90
  4. Step 4: Simplify right side
    67,406.70x = 6,302,988,185.90
  5. Step 5: Solve for x
    x = 6,302,988,185.90/67,406.70
  6. Step 6: Final answer
    x = 93,506.85

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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.