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Finding the Fourth Proportional to 67,424.25, 101,198.49 and 34,167.88

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Solution

The fourth proportional to 67,424.25, 101,198.49 and 34,167.88 is: 51,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,424.25 : 101,198.49 = 34,167.88 : x
  2. Step 2: Convert to fraction form
    67,424.25/101,198.49 = 34,167.88/x
  3. Step 3: Cross multiply
    67,424.25x = 101,198.49 × 34,167.88
  4. Step 4: Simplify right side
    67,424.25x = 3,457,737,862.50
  5. Step 5: Solve for x
    x = 3,457,737,862.50/67,424.25
  6. Step 6: Final answer
    x = 51,283.30

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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.