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Finding the Fourth Proportional to 95.03, 142.16 and 82.33

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Solution

The fourth proportional to 95.03, 142.16 and 82.33 is: 123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.03 : 142.16 = 82.33 : x
  2. Step 2: Convert to fraction form
    95.03/142.16 = 82.33/x
  3. Step 3: Cross multiply
    95.03x = 142.16 × 82.33
  4. Step 4: Simplify right side
    95.03x = 11,704.03
  5. Step 5: Solve for x
    x = 11,704.03/95.03
  6. Step 6: Final answer
    x = 123.16

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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.