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Finding the Fourth Proportional to 229,563.44, 344,351.32 and 71,791.90

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Solution

The fourth proportional to 229,563.44, 344,351.32 and 71,791.90 is: 107,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,563.44 : 344,351.32 = 71,791.90 : x
  2. Step 2: Convert to fraction form
    229,563.44/344,351.32 = 71,791.90/x
  3. Step 3: Cross multiply
    229,563.44x = 344,351.32 × 71,791.90
  4. Step 4: Simplify right side
    229,563.44x = 24,721,635,530.31
  5. Step 5: Solve for x
    x = 24,721,635,530.31/229,563.44
  6. Step 6: Final answer
    x = 107,689.78

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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.