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Finding the Fourth Proportional to 73,819.63, 110,744.03 and 27,072.91

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Solution

The fourth proportional to 73,819.63, 110,744.03 and 27,072.91 is: 40,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,819.63 : 110,744.03 = 27,072.91 : x
  2. Step 2: Convert to fraction form
    73,819.63/110,744.03 = 27,072.91/x
  3. Step 3: Cross multiply
    73,819.63x = 110,744.03 × 27,072.91
  4. Step 4: Simplify right side
    73,819.63x = 2,998,162,745.00
  5. Step 5: Solve for x
    x = 2,998,162,745.00/73,819.63
  6. Step 6: Final answer
    x = 40,614.71

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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.