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Finding the Fourth Proportional to 94.33, 141.37 and 63.82

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Solution

The fourth proportional to 94.33, 141.37 and 63.82 is: 95.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.33 : 141.37 = 63.82 : x
  2. Step 2: Convert to fraction form
    94.33/141.37 = 63.82/x
  3. Step 3: Cross multiply
    94.33x = 141.37 × 63.82
  4. Step 4: Simplify right side
    94.33x = 9,022.23
  5. Step 5: Solve for x
    x = 9,022.23/94.33
  6. Step 6: Final answer
    x = 95.65

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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.