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Finding the Fourth Proportional to 269,451,865.20, 404,177,797.80 and 167,415,193.20

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Solution

The fourth proportional to 269,451,865.20, 404,177,797.80 and 167,415,193.20 is: 251,122,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,451,865.20 : 404,177,797.80 = 167,415,193.20 : x
  2. Step 2: Convert to fraction form
    269,451,865.20/404,177,797.80 = 167,415,193.20/x
  3. Step 3: Cross multiply
    269,451,865.20x = 404,177,797.80 × 167,415,193.20
  4. Step 4: Simplify right side
    269,451,865.20x = 67,665,504,105,837,536
  5. Step 5: Solve for x
    x = 67,665,504,105,837,536/269,451,865.20
  6. Step 6: Final answer
    x = 251,122,789.80

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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.