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Finding the Fourth Proportional to 174.96, 260.96 and 169.36

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Solution

The fourth proportional to 174.96, 260.96 and 169.36 is: 252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.96 : 260.96 = 169.36 : x
  2. Step 2: Convert to fraction form
    174.96/260.96 = 169.36/x
  3. Step 3: Cross multiply
    174.96x = 260.96 × 169.36
  4. Step 4: Simplify right side
    174.96x = 44,194.69
  5. Step 5: Solve for x
    x = 44,194.69/174.96
  6. Step 6: Final answer
    x = 252.60

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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.