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Finding the Fourth Proportional to 67,275.92, 100,932.09 and 25,160.28

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Solution

The fourth proportional to 67,275.92, 100,932.09 and 25,160.28 is: 37,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,275.92 : 100,932.09 = 25,160.28 : x
  2. Step 2: Convert to fraction form
    67,275.92/100,932.09 = 25,160.28/x
  3. Step 3: Cross multiply
    67,275.92x = 100,932.09 × 25,160.28
  4. Step 4: Simplify right side
    67,275.92x = 2,539,479,235.26
  5. Step 5: Solve for x
    x = 2,539,479,235.26/67,275.92
  6. Step 6: Final answer
    x = 37,747.23

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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.