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Finding the Fourth Proportional to 269,772.48, 404,658.45 and 80,232.08

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Solution

The fourth proportional to 269,772.48, 404,658.45 and 80,232.08 is: 120,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,772.48 : 404,658.45 = 80,232.08 : x
  2. Step 2: Convert to fraction form
    269,772.48/404,658.45 = 80,232.08/x
  3. Step 3: Cross multiply
    269,772.48x = 404,658.45 × 80,232.08
  4. Step 4: Simplify right side
    269,772.48x = 32,466,587,109.78
  5. Step 5: Solve for x
    x = 32,466,587,109.78/269,772.48
  6. Step 6: Final answer
    x = 120,348.03

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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.