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Finding the Fourth Proportional to 293.82, 440.49 and 111.11

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Solution

The fourth proportional to 293.82, 440.49 and 111.11 is: 166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.82 : 440.49 = 111.11 : x
  2. Step 2: Convert to fraction form
    293.82/440.49 = 111.11/x
  3. Step 3: Cross multiply
    293.82x = 440.49 × 111.11
  4. Step 4: Simplify right side
    293.82x = 48,942.84
  5. Step 5: Solve for x
    x = 48,942.84/293.82
  6. Step 6: Final answer
    x = 166.57

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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.