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Finding the Fourth Proportional to 263.34, 363.48 and 169.92

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Solution

The fourth proportional to 263.34, 363.48 and 169.92 is: 234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.34 : 363.48 = 169.92 : x
  2. Step 2: Convert to fraction form
    263.34/363.48 = 169.92/x
  3. Step 3: Cross multiply
    263.34x = 363.48 × 169.92
  4. Step 4: Simplify right side
    263.34x = 61,762.73
  5. Step 5: Solve for x
    x = 61,762.73/263.34
  6. Step 6: Final answer
    x = 234.54

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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.