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Finding the Fourth Proportional to 111.00, 166.49 and 33.96

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Solution

The fourth proportional to 111.00, 166.49 and 33.96 is: 50.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.00 : 166.49 = 33.96 : x
  2. Step 2: Convert to fraction form
    111.00/166.49 = 33.96/x
  3. Step 3: Cross multiply
    111.00x = 166.49 × 33.96
  4. Step 4: Simplify right side
    111.00x = 5,653.74
  5. Step 5: Solve for x
    x = 5,653.74/111.00
  6. Step 6: Final answer
    x = 50.94

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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.