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Finding the Fourth Proportional to 237.33, 356.20 and 115.73

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Solution

The fourth proportional to 237.33, 356.20 and 115.73 is: 173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.33 : 356.20 = 115.73 : x
  2. Step 2: Convert to fraction form
    237.33/356.20 = 115.73/x
  3. Step 3: Cross multiply
    237.33x = 356.20 × 115.73
  4. Step 4: Simplify right side
    237.33x = 41,222.29
  5. Step 5: Solve for x
    x = 41,222.29/237.33
  6. Step 6: Final answer
    x = 173.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.