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Finding the Fourth Proportional to 174.68, 260.60 and 169.97

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Solution

The fourth proportional to 174.68, 260.60 and 169.97 is: 253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.68 : 260.60 = 169.97 : x
  2. Step 2: Convert to fraction form
    174.68/260.60 = 169.97/x
  3. Step 3: Cross multiply
    174.68x = 260.60 × 169.97
  4. Step 4: Simplify right side
    174.68x = 44,294.18
  5. Step 5: Solve for x
    x = 44,294.18/174.68
  6. Step 6: Final answer
    x = 253.57

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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.