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Finding the Fourth Proportional to 69,213.52, 103,859.60 and 27,096.96

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Solution

The fourth proportional to 69,213.52, 103,859.60 and 27,096.96 is: 40,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,213.52 : 103,859.60 = 27,096.96 : x
  2. Step 2: Convert to fraction form
    69,213.52/103,859.60 = 27,096.96/x
  3. Step 3: Cross multiply
    69,213.52x = 103,859.60 × 27,096.96
  4. Step 4: Simplify right side
    69,213.52x = 2,814,279,426.82
  5. Step 5: Solve for x
    x = 2,814,279,426.82/69,213.52
  6. Step 6: Final answer
    x = 40,660.83

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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.