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Finding the Fourth Proportional to 174.25, 259.96 and 169.29

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Solution

The fourth proportional to 174.25, 259.96 and 169.29 is: 252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.25 : 259.96 = 169.29 : x
  2. Step 2: Convert to fraction form
    174.25/259.96 = 169.29/x
  3. Step 3: Cross multiply
    174.25x = 259.96 × 169.29
  4. Step 4: Simplify right side
    174.25x = 44,008.52
  5. Step 5: Solve for x
    x = 44,008.52/174.25
  6. Step 6: Final answer
    x = 252.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.