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Finding the Fourth Proportional to 269.46, 404.16 and 96.12

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Solution

The fourth proportional to 269.46, 404.16 and 96.12 is: 144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.46 : 404.16 = 96.12 : x
  2. Step 2: Convert to fraction form
    269.46/404.16 = 96.12/x
  3. Step 3: Cross multiply
    269.46x = 404.16 × 96.12
  4. Step 4: Simplify right side
    269.46x = 38,847.86
  5. Step 5: Solve for x
    x = 38,847.86/269.46
  6. Step 6: Final answer
    x = 144.17

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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.