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Finding the Fourth Proportional to 263.03, 363.11 and 169.92

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Solution

The fourth proportional to 263.03, 363.11 and 169.92 is: 234.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.03 : 363.11 = 169.92 : x
  2. Step 2: Convert to fraction form
    263.03/363.11 = 169.92/x
  3. Step 3: Cross multiply
    263.03x = 363.11 × 169.92
  4. Step 4: Simplify right side
    263.03x = 61,698.80
  5. Step 5: Solve for x
    x = 61,698.80/263.03
  6. Step 6: Final answer
    x = 234.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.