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Finding the Fourth Proportional to 269.41, 404.22 and 132.52

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Solution

The fourth proportional to 269.41, 404.22 and 132.52 is: 198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.41 : 404.22 = 132.52 : x
  2. Step 2: Convert to fraction form
    269.41/404.22 = 132.52/x
  3. Step 3: Cross multiply
    269.41x = 404.22 × 132.52
  4. Step 4: Simplify right side
    269.41x = 53,567.23
  5. Step 5: Solve for x
    x = 53,567.23/269.41
  6. Step 6: Final answer
    x = 198.83

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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.