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Finding the Fourth Proportional to 293.94, 440.82 and 111.33

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Solution

The fourth proportional to 293.94, 440.82 and 111.33 is: 166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.94 : 440.82 = 111.33 : x
  2. Step 2: Convert to fraction form
    293.94/440.82 = 111.33/x
  3. Step 3: Cross multiply
    293.94x = 440.82 × 111.33
  4. Step 4: Simplify right side
    293.94x = 49,076.49
  5. Step 5: Solve for x
    x = 49,076.49/293.94
  6. Step 6: Final answer
    x = 166.96

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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.