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Finding the Fourth Proportional to 293.74, 440.60 and 111.22

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Solution

The fourth proportional to 293.74, 440.60 and 111.22 is: 166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.74 : 440.60 = 111.22 : x
  2. Step 2: Convert to fraction form
    293.74/440.60 = 111.22/x
  3. Step 3: Cross multiply
    293.74x = 440.60 × 111.22
  4. Step 4: Simplify right side
    293.74x = 49,003.53
  5. Step 5: Solve for x
    x = 49,003.53/293.74
  6. Step 6: Final answer
    x = 166.83

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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.