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Finding the Fourth Proportional to 174.84, 241.34 and 122.46

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Solution

The fourth proportional to 174.84, 241.34 and 122.46 is: 169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.84 : 241.34 = 122.46 : x
  2. Step 2: Convert to fraction form
    174.84/241.34 = 122.46/x
  3. Step 3: Cross multiply
    174.84x = 241.34 × 122.46
  4. Step 4: Simplify right side
    174.84x = 29,553.88
  5. Step 5: Solve for x
    x = 29,553.88/174.84
  6. Step 6: Final answer
    x = 169.03

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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.