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Finding the Fourth Proportional to 174.73, 260.60 and 147.48

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Solution

The fourth proportional to 174.73, 260.60 and 147.48 is: 219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.73 : 260.60 = 147.48 : x
  2. Step 2: Convert to fraction form
    174.73/260.60 = 147.48/x
  3. Step 3: Cross multiply
    174.73x = 260.60 × 147.48
  4. Step 4: Simplify right side
    174.73x = 38,434.86
  5. Step 5: Solve for x
    x = 38,434.86/174.73
  6. Step 6: Final answer
    x = 219.96

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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.