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Finding the Fourth Proportional to 269.24, 403.88 and 95.88

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Solution

The fourth proportional to 269.24, 403.88 and 95.88 is: 143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.24 : 403.88 = 95.88 : x
  2. Step 2: Convert to fraction form
    269.24/403.88 = 95.88/x
  3. Step 3: Cross multiply
    269.24x = 403.88 × 95.88
  4. Step 4: Simplify right side
    269.24x = 38,724.01
  5. Step 5: Solve for x
    x = 38,724.01/269.24
  6. Step 6: Final answer
    x = 143.83

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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.