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Finding the Fourth Proportional to 269.35, 404.01 and 132.37

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Solution

The fourth proportional to 269.35, 404.01 and 132.37 is: 198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.35 : 404.01 = 132.37 : x
  2. Step 2: Convert to fraction form
    269.35/404.01 = 132.37/x
  3. Step 3: Cross multiply
    269.35x = 404.01 × 132.37
  4. Step 4: Simplify right side
    269.35x = 53,478.80
  5. Step 5: Solve for x
    x = 53,478.80/269.35
  6. Step 6: Final answer
    x = 198.55

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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.