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Finding the Fourth Proportional to 322,133.88, 444,551.82 and 178,891.80

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Solution

The fourth proportional to 322,133.88, 444,551.82 and 178,891.80 is: 246,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,133.88 : 444,551.82 = 178,891.80 : x
  2. Step 2: Convert to fraction form
    322,133.88/444,551.82 = 178,891.80/x
  3. Step 3: Cross multiply
    322,133.88x = 444,551.82 × 178,891.80
  4. Step 4: Simplify right side
    322,133.88x = 79,526,675,273.08
  5. Step 5: Solve for x
    x = 79,526,675,273.08/322,133.88
  6. Step 6: Final answer
    x = 246,874.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.