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Finding the Fourth Proportional to 269.24, 404.10 and 125

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Solution

The fourth proportional to 269.24, 404.10 and 125 is: 187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.24 : 404.10 = 125 : x
  2. Step 2: Convert to fraction form
    269.24/404.10 = 125/x
  3. Step 3: Cross multiply
    269.24x = 404.10 × 125
  4. Step 4: Simplify right side
    269.24x = 50,512.50
  5. Step 5: Solve for x
    x = 50,512.50/269.24
  6. Step 6: Final answer
    x = 187.61

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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.