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Finding the Fourth Proportional to 174.01, 260.76 and 108.85

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Solution

The fourth proportional to 174.01, 260.76 and 108.85 is: 163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.01 : 260.76 = 108.85 : x
  2. Step 2: Convert to fraction form
    174.01/260.76 = 108.85/x
  3. Step 3: Cross multiply
    174.01x = 260.76 × 108.85
  4. Step 4: Simplify right side
    174.01x = 28,383.73
  5. Step 5: Solve for x
    x = 28,383.73/174.01
  6. Step 6: Final answer
    x = 163.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.