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Finding the Fourth Proportional to 269.62, 404.48 and 96.29

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Solution

The fourth proportional to 269.62, 404.48 and 96.29 is: 144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.62 : 404.48 = 96.29 : x
  2. Step 2: Convert to fraction form
    269.62/404.48 = 96.29/x
  3. Step 3: Cross multiply
    269.62x = 404.48 × 96.29
  4. Step 4: Simplify right side
    269.62x = 38,947.38
  5. Step 5: Solve for x
    x = 38,947.38/269.62
  6. Step 6: Final answer
    x = 144.45

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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.