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Finding the Fourth Proportional to 273.62, 410.73 and 111.41

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Solution

The fourth proportional to 273.62, 410.73 and 111.41 is: 167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.62 : 410.73 = 111.41 : x
  2. Step 2: Convert to fraction form
    273.62/410.73 = 111.41/x
  3. Step 3: Cross multiply
    273.62x = 410.73 × 111.41
  4. Step 4: Simplify right side
    273.62x = 45,759.43
  5. Step 5: Solve for x
    x = 45,759.43/273.62
  6. Step 6: Final answer
    x = 167.24

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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.