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Finding the Fourth Proportional to 95.96, 144.02 and 73.19

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Solution

The fourth proportional to 95.96, 144.02 and 73.19 is: 109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.96 : 144.02 = 73.19 : x
  2. Step 2: Convert to fraction form
    95.96/144.02 = 73.19/x
  3. Step 3: Cross multiply
    95.96x = 144.02 × 73.19
  4. Step 4: Simplify right side
    95.96x = 10,540.46
  5. Step 5: Solve for x
    x = 10,540.46/95.96
  6. Step 6: Final answer
    x = 109.84

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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.