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Finding the Fourth Proportional to 167.24, 231.00 and 130.84

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Solution

The fourth proportional to 167.24, 231.00 and 130.84 is: 180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.24 : 231.00 = 130.84 : x
  2. Step 2: Convert to fraction form
    167.24/231.00 = 130.84/x
  3. Step 3: Cross multiply
    167.24x = 231.00 × 130.84
  4. Step 4: Simplify right side
    167.24x = 30,222.97
  5. Step 5: Solve for x
    x = 30,222.97/167.24
  6. Step 6: Final answer
    x = 180.71

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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.