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Finding the Fourth Proportional to 67,842.44, 101,799.26 and 49,275.88

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Solution

The fourth proportional to 67,842.44, 101,799.26 and 49,275.88 is: 73,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,842.44 : 101,799.26 = 49,275.88 : x
  2. Step 2: Convert to fraction form
    67,842.44/101,799.26 = 49,275.88/x
  3. Step 3: Cross multiply
    67,842.44x = 101,799.26 × 49,275.88
  4. Step 4: Simplify right side
    67,842.44x = 5,016,248,119.85
  5. Step 5: Solve for x
    x = 5,016,248,119.85/67,842.44
  6. Step 6: Final answer
    x = 73,939.68

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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.