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Finding the Fourth Proportional to 273.56, 377.50 and 167.18

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Solution

The fourth proportional to 273.56, 377.50 and 167.18 is: 230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.56 : 377.50 = 167.18 : x
  2. Step 2: Convert to fraction form
    273.56/377.50 = 167.18/x
  3. Step 3: Cross multiply
    273.56x = 377.50 × 167.18
  4. Step 4: Simplify right side
    273.56x = 63,107.73
  5. Step 5: Solve for x
    x = 63,107.73/273.56
  6. Step 6: Final answer
    x = 230.69

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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.