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Finding the Fourth Proportional to 174.73, 241.08 and 109.18

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Solution

The fourth proportional to 174.73, 241.08 and 109.18 is: 150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.73 : 241.08 = 109.18 : x
  2. Step 2: Convert to fraction form
    174.73/241.08 = 109.18/x
  3. Step 3: Cross multiply
    174.73x = 241.08 × 109.18
  4. Step 4: Simplify right side
    174.73x = 26,321.72
  5. Step 5: Solve for x
    x = 26,321.72/174.73
  6. Step 6: Final answer
    x = 150.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.