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Finding the Fourth Proportional to 119,777.72, 179,791.19 and 88,223.41

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Solution

The fourth proportional to 119,777.72, 179,791.19 and 88,223.41 is: 132,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,777.72 : 179,791.19 = 88,223.41 : x
  2. Step 2: Convert to fraction form
    119,777.72/179,791.19 = 88,223.41/x
  3. Step 3: Cross multiply
    119,777.72x = 179,791.19 × 88,223.41
  4. Step 4: Simplify right side
    119,777.72x = 15,861,790,529.68
  5. Step 5: Solve for x
    x = 15,861,790,529.68/119,777.72
  6. Step 6: Final answer
    x = 132,426.89

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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.