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Finding the Fourth Proportional to 269.26, 403.65 and 95.83

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Solution

The fourth proportional to 269.26, 403.65 and 95.83 is: 143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.26 : 403.65 = 95.83 : x
  2. Step 2: Convert to fraction form
    269.26/403.65 = 95.83/x
  3. Step 3: Cross multiply
    269.26x = 403.65 × 95.83
  4. Step 4: Simplify right side
    269.26x = 38,681.78
  5. Step 5: Solve for x
    x = 38,681.78/269.26
  6. Step 6: Final answer
    x = 143.66

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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.