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Finding the Fourth Proportional to 73,902.46, 110,864.62 and 27,151.70

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Solution

The fourth proportional to 73,902.46, 110,864.62 and 27,151.70 is: 40,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,902.46 : 110,864.62 = 27,151.70 : x
  2. Step 2: Convert to fraction form
    73,902.46/110,864.62 = 27,151.70/x
  3. Step 3: Cross multiply
    73,902.46x = 110,864.62 × 27,151.70
  4. Step 4: Simplify right side
    73,902.46x = 3,010,162,902.85
  5. Step 5: Solve for x
    x = 3,010,162,902.85/73,902.46
  6. Step 6: Final answer
    x = 40,731.57

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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.