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Finding the Fourth Proportional to 116.09, 174.11 and 33.81

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Solution

The fourth proportional to 116.09, 174.11 and 33.81 is: 50.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.09 : 174.11 = 33.81 : x
  2. Step 2: Convert to fraction form
    116.09/174.11 = 33.81/x
  3. Step 3: Cross multiply
    116.09x = 174.11 × 33.81
  4. Step 4: Simplify right side
    116.09x = 5,886.57
  5. Step 5: Solve for x
    x = 5,886.57/116.09
  6. Step 6: Final answer
    x = 50.71

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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.