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Finding the Fourth Proportional to 293.67, 440.51 and 111.22

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Solution

The fourth proportional to 293.67, 440.51 and 111.22 is: 166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.67 : 440.51 = 111.22 : x
  2. Step 2: Convert to fraction form
    293.67/440.51 = 111.22/x
  3. Step 3: Cross multiply
    293.67x = 440.51 × 111.22
  4. Step 4: Simplify right side
    293.67x = 48,991.86
  5. Step 5: Solve for x
    x = 48,991.86/293.67
  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.