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Finding the Fourth Proportional to 269,375.52, 404,024.36 and 82,336.80

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Solution

The fourth proportional to 269,375.52, 404,024.36 and 82,336.80 is: 123,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,375.52 : 404,024.36 = 82,336.80 : x
  2. Step 2: Convert to fraction form
    269,375.52/404,024.36 = 82,336.80/x
  3. Step 3: Cross multiply
    269,375.52x = 404,024.36 × 82,336.80
  4. Step 4: Simplify right side
    269,375.52x = 33,266,072,924.45
  5. Step 5: Solve for x
    x = 33,266,072,924.45/269,375.52
  6. Step 6: Final answer
    x = 123,493.30

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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.