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Finding the Fourth Proportional to 174.88, 241.44 and 119.60

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Solution

The fourth proportional to 174.88, 241.44 and 119.60 is: 165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.88 : 241.44 = 119.60 : x
  2. Step 2: Convert to fraction form
    174.88/241.44 = 119.60/x
  3. Step 3: Cross multiply
    174.88x = 241.44 × 119.60
  4. Step 4: Simplify right side
    174.88x = 28,876.22
  5. Step 5: Solve for x
    x = 28,876.22/174.88
  6. Step 6: Final answer
    x = 165.12

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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.