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Finding the Fourth Proportional to 67,372.65, 101,059.28 and 17,449.20

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Solution

The fourth proportional to 67,372.65, 101,059.28 and 17,449.20 is: 26,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372.65 : 101,059.28 = 17,449.20 : x
  2. Step 2: Convert to fraction form
    67,372.65/101,059.28 = 17,449.20/x
  3. Step 3: Cross multiply
    67,372.65x = 101,059.28 × 17,449.20
  4. Step 4: Simplify right side
    67,372.65x = 1,763,403,501.33
  5. Step 5: Solve for x
    x = 1,763,403,501.33/67,372.65
  6. Step 6: Final answer
    x = 26,173.88

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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.