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Finding the Fourth Proportional to 269.37, 404.19 and 132.41

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Solution

The fourth proportional to 269.37, 404.19 and 132.41 is: 198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.37 : 404.19 = 132.41 : x
  2. Step 2: Convert to fraction form
    269.37/404.19 = 132.41/x
  3. Step 3: Cross multiply
    269.37x = 404.19 × 132.41
  4. Step 4: Simplify right side
    269.37x = 53,516.78
  5. Step 5: Solve for x
    x = 53,516.78/269.37
  6. Step 6: Final answer
    x = 198.67

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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.