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Finding the Fourth Proportional to 269.73, 404.42 and 132.93

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Solution

The fourth proportional to 269.73, 404.42 and 132.93 is: 199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.73 : 404.42 = 132.93 : x
  2. Step 2: Convert to fraction form
    269.73/404.42 = 132.93/x
  3. Step 3: Cross multiply
    269.73x = 404.42 × 132.93
  4. Step 4: Simplify right side
    269.73x = 53,758.89
  5. Step 5: Solve for x
    x = 53,758.89/269.73
  6. Step 6: Final answer
    x = 199.31

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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.