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Finding the Fourth Proportional to 69,233.28, 103,849.92 and 44,626.56

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Solution

The fourth proportional to 69,233.28, 103,849.92 and 44,626.56 is: 66,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,233.28 : 103,849.92 = 44,626.56 : x
  2. Step 2: Convert to fraction form
    69,233.28/103,849.92 = 44,626.56/x
  3. Step 3: Cross multiply
    69,233.28x = 103,849.92 × 44,626.56
  4. Step 4: Simplify right side
    69,233.28x = 4,634,464,685.88
  5. Step 5: Solve for x
    x = 4,634,464,685.88/69,233.28
  6. Step 6: Final answer
    x = 66,939.84

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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.