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Finding the Fourth Proportional to 94.01, 141.02 and 33.18

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Solution

The fourth proportional to 94.01, 141.02 and 33.18 is: 49.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.01 : 141.02 = 33.18 : x
  2. Step 2: Convert to fraction form
    94.01/141.02 = 33.18/x
  3. Step 3: Cross multiply
    94.01x = 141.02 × 33.18
  4. Step 4: Simplify right side
    94.01x = 4,679.57
  5. Step 5: Solve for x
    x = 4,679.57/94.01
  6. Step 6: Final answer
    x = 49.78

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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.