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Finding the Fourth Proportional to 279,227.44, 418,839.24 and 113,013.04

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Solution

The fourth proportional to 279,227.44, 418,839.24 and 113,013.04 is: 169,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,227.44 : 418,839.24 = 113,013.04 : x
  2. Step 2: Convert to fraction form
    279,227.44/418,839.24 = 113,013.04/x
  3. Step 3: Cross multiply
    279,227.44x = 418,839.24 × 113,013.04
  4. Step 4: Simplify right side
    279,227.44x = 47,334,295,783.69
  5. Step 5: Solve for x
    x = 47,334,295,783.69/279,227.44
  6. Step 6: Final answer
    x = 169,518.78

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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.