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Finding the Fourth Proportional to 95.33, 142.68 and 94.11

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Solution

The fourth proportional to 95.33, 142.68 and 94.11 is: 140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.33 : 142.68 = 94.11 : x
  2. Step 2: Convert to fraction form
    95.33/142.68 = 94.11/x
  3. Step 3: Cross multiply
    95.33x = 142.68 × 94.11
  4. Step 4: Simplify right side
    95.33x = 13,427.61
  5. Step 5: Solve for x
    x = 13,427.61/95.33
  6. Step 6: Final answer
    x = 140.86

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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.