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Finding the Fourth Proportional to 119,793.40, 179,700.90 and 49,658.20

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Solution

The fourth proportional to 119,793.40, 179,700.90 and 49,658.20 is: 74,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,793.40 : 179,700.90 = 49,658.20 : x
  2. Step 2: Convert to fraction form
    119,793.40/179,700.90 = 49,658.20/x
  3. Step 3: Cross multiply
    119,793.40x = 179,700.90 × 49,658.20
  4. Step 4: Simplify right side
    119,793.40x = 8,923,623,232.38
  5. Step 5: Solve for x
    x = 8,923,623,232.38/119,793.40
  6. Step 6: Final answer
    x = 74,491.78

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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.