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Finding the Fourth Proportional to 269.37, 404.07 and 96.11

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Solution

The fourth proportional to 269.37, 404.07 and 96.11 is: 144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.37 : 404.07 = 96.11 : x
  2. Step 2: Convert to fraction form
    269.37/404.07 = 96.11/x
  3. Step 3: Cross multiply
    269.37x = 404.07 × 96.11
  4. Step 4: Simplify right side
    269.37x = 38,833.15
  5. Step 5: Solve for x
    x = 38,833.15/269.37
  6. Step 6: Final answer
    x = 144.16

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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.