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Finding the Fourth Proportional to 273.87, 410.67 and 111.57

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Solution

The fourth proportional to 273.87, 410.67 and 111.57 is: 167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.87 : 410.67 = 111.57 : x
  2. Step 2: Convert to fraction form
    273.87/410.67 = 111.57/x
  3. Step 3: Cross multiply
    273.87x = 410.67 × 111.57
  4. Step 4: Simplify right side
    273.87x = 45,818.45
  5. Step 5: Solve for x
    x = 45,818.45/273.87
  6. Step 6: Final answer
    x = 167.30

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