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Finding the Fourth Proportional to 233.34, 321.30 and 167.73

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Solution

The fourth proportional to 233.34, 321.30 and 167.73 is: 230.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.34 : 321.30 = 167.73 : x
  2. Step 2: Convert to fraction form
    233.34/321.30 = 167.73/x
  3. Step 3: Cross multiply
    233.34x = 321.30 × 167.73
  4. Step 4: Simplify right side
    233.34x = 53,891.65
  5. Step 5: Solve for x
    x = 53,891.65/233.34
  6. Step 6: Final answer
    x = 230.96

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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.