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Finding the Fourth Proportional to 175.57, 241.97 and 122.94

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Solution

The fourth proportional to 175.57, 241.97 and 122.94 is: 169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.57 : 241.97 = 122.94 : x
  2. Step 2: Convert to fraction form
    175.57/241.97 = 122.94/x
  3. Step 3: Cross multiply
    175.57x = 241.97 × 122.94
  4. Step 4: Simplify right side
    175.57x = 29,747.79
  5. Step 5: Solve for x
    x = 29,747.79/175.57
  6. Step 6: Final answer
    x = 169.44

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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.