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Finding the Fourth Proportional to 67,425.88, 101,200.92 and 34,169.20

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Solution

The fourth proportional to 67,425.88, 101,200.92 and 34,169.20 is: 51,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,425.88 : 101,200.92 = 34,169.20 : x
  2. Step 2: Convert to fraction form
    67,425.88/101,200.92 = 34,169.20/x
  3. Step 3: Cross multiply
    67,425.88x = 101,200.92 × 34,169.20
  4. Step 4: Simplify right side
    67,425.88x = 3,457,954,475.66
  5. Step 5: Solve for x
    x = 3,457,954,475.66/67,425.88
  6. Step 6: Final answer
    x = 51,285.27

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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.