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Finding the Fourth Proportional to 73,874.28, 110,860.02 and 27,127.56

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Solution

The fourth proportional to 73,874.28, 110,860.02 and 27,127.56 is: 40,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,874.28 : 110,860.02 = 27,127.56 : x
  2. Step 2: Convert to fraction form
    73,874.28/110,860.02 = 27,127.56/x
  3. Step 3: Cross multiply
    73,874.28x = 110,860.02 × 27,127.56
  4. Step 4: Simplify right side
    73,874.28x = 3,007,361,844.15
  5. Step 5: Solve for x
    x = 3,007,361,844.15/73,874.28
  6. Step 6: Final answer
    x = 40,709.19

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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.