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Finding the Fourth Proportional to 251.26, 346.68 and 168.52

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Solution

The fourth proportional to 251.26, 346.68 and 168.52 is: 232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.26 : 346.68 = 168.52 : x
  2. Step 2: Convert to fraction form
    251.26/346.68 = 168.52/x
  3. Step 3: Cross multiply
    251.26x = 346.68 × 168.52
  4. Step 4: Simplify right side
    251.26x = 58,422.51
  5. Step 5: Solve for x
    x = 58,422.51/251.26
  6. Step 6: Final answer
    x = 232.52

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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.