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Finding the Fourth Proportional to 269.60, 404.34 and 96.24

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Solution

The fourth proportional to 269.60, 404.34 and 96.24 is: 144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.60 : 404.34 = 96.24 : x
  2. Step 2: Convert to fraction form
    269.60/404.34 = 96.24/x
  3. Step 3: Cross multiply
    269.60x = 404.34 × 96.24
  4. Step 4: Simplify right side
    269.60x = 38,913.68
  5. Step 5: Solve for x
    x = 38,913.68/269.60
  6. Step 6: Final answer
    x = 144.34

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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.