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Finding the Fourth Proportional to 67,074.30, 100,610.22 and 27,092.28

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Solution

The fourth proportional to 67,074.30, 100,610.22 and 27,092.28 is: 40,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,074.30 : 100,610.22 = 27,092.28 : x
  2. Step 2: Convert to fraction form
    67,074.30/100,610.22 = 27,092.28/x
  3. Step 3: Cross multiply
    67,074.30x = 100,610.22 × 27,092.28
  4. Step 4: Simplify right side
    67,074.30x = 2,725,760,251.10
  5. Step 5: Solve for x
    x = 2,725,760,251.10/67,074.30
  6. Step 6: Final answer
    x = 40,637.92

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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.