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Finding the Fourth Proportional to 251.01, 346.41 and 167.99

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Solution

The fourth proportional to 251.01, 346.41 and 167.99 is: 231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.01 : 346.41 = 167.99 : x
  2. Step 2: Convert to fraction form
    251.01/346.41 = 167.99/x
  3. Step 3: Cross multiply
    251.01x = 346.41 × 167.99
  4. Step 4: Simplify right side
    251.01x = 58,191.68
  5. Step 5: Solve for x
    x = 58,191.68/251.01
  6. Step 6: Final answer
    x = 231.83

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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.