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Finding the Fourth Proportional to 174.33, 240.60 and 108.87

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Solution

The fourth proportional to 174.33, 240.60 and 108.87 is: 150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.33 : 240.60 = 108.87 : x
  2. Step 2: Convert to fraction form
    174.33/240.60 = 108.87/x
  3. Step 3: Cross multiply
    174.33x = 240.60 × 108.87
  4. Step 4: Simplify right side
    174.33x = 26,194.12
  5. Step 5: Solve for x
    x = 26,194.12/174.33
  6. Step 6: Final answer
    x = 150.26

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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.