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Finding the Fourth Proportional to 167.46, 231.01 and 101.85

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Solution

The fourth proportional to 167.46, 231.01 and 101.85 is: 140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.46 : 231.01 = 101.85 : x
  2. Step 2: Convert to fraction form
    167.46/231.01 = 101.85/x
  3. Step 3: Cross multiply
    167.46x = 231.01 × 101.85
  4. Step 4: Simplify right side
    167.46x = 23,528.37
  5. Step 5: Solve for x
    x = 23,528.37/167.46
  6. Step 6: Final answer
    x = 140.50

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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.