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Finding the Fourth Proportional to 174.88, 241.34 and 109.48

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Solution

The fourth proportional to 174.88, 241.34 and 109.48 is: 151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.88 : 241.34 = 109.48 : x
  2. Step 2: Convert to fraction form
    174.88/241.34 = 109.48/x
  3. Step 3: Cross multiply
    174.88x = 241.34 × 109.48
  4. Step 4: Simplify right side
    174.88x = 26,421.90
  5. Step 5: Solve for x
    x = 26,421.90/174.88
  6. Step 6: Final answer
    x = 151.09

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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.