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Finding the Fourth Proportional to 273.83, 410.74 and 111.41

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Solution

The fourth proportional to 273.83, 410.74 and 111.41 is: 167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.83 : 410.74 = 111.41 : x
  2. Step 2: Convert to fraction form
    273.83/410.74 = 111.41/x
  3. Step 3: Cross multiply
    273.83x = 410.74 × 111.41
  4. Step 4: Simplify right side
    273.83x = 45,760.54
  5. Step 5: Solve for x
    x = 45,760.54/273.83
  6. Step 6: Final answer
    x = 167.11

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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.