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Finding the Fourth Proportional to 179,691.40, 269,180.70 and 157,529.80

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Solution

The fourth proportional to 179,691.40, 269,180.70 and 157,529.80 is: 235,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,691.40 : 269,180.70 = 157,529.80 : x
  2. Step 2: Convert to fraction form
    179,691.40/269,180.70 = 157,529.80/x
  3. Step 3: Cross multiply
    179,691.40x = 269,180.70 × 157,529.80
  4. Step 4: Simplify right side
    179,691.40x = 42,403,981,834.86
  5. Step 5: Solve for x
    x = 42,403,981,834.86/179,691.40
  6. Step 6: Final answer
    x = 235,982.26

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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.