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Finding the Fourth Proportional to 175.42, 241.75 and 126.22

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Solution

The fourth proportional to 175.42, 241.75 and 126.22 is: 173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.42 : 241.75 = 126.22 : x
  2. Step 2: Convert to fraction form
    175.42/241.75 = 126.22/x
  3. Step 3: Cross multiply
    175.42x = 241.75 × 126.22
  4. Step 4: Simplify right side
    175.42x = 30,513.69
  5. Step 5: Solve for x
    x = 30,513.69/175.42
  6. Step 6: Final answer
    x = 173.95

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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.