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Finding the Fourth Proportional to 250.97, 346.25 and 173.39

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Solution

The fourth proportional to 250.97, 346.25 and 173.39 is: 239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.97 : 346.25 = 173.39 : x
  2. Step 2: Convert to fraction form
    250.97/346.25 = 173.39/x
  3. Step 3: Cross multiply
    250.97x = 346.25 × 173.39
  4. Step 4: Simplify right side
    250.97x = 60,034.99
  5. Step 5: Solve for x
    x = 60,034.99/250.97
  6. Step 6: Final answer
    x = 239.22

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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.