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Finding the Fourth Proportional to 95.52, 143.08 and 73.96

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Solution

The fourth proportional to 95.52, 143.08 and 73.96 is: 110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.52 : 143.08 = 73.96 : x
  2. Step 2: Convert to fraction form
    95.52/143.08 = 73.96/x
  3. Step 3: Cross multiply
    95.52x = 143.08 × 73.96
  4. Step 4: Simplify right side
    95.52x = 10,582.20
  5. Step 5: Solve for x
    x = 10,582.20/95.52
  6. Step 6: Final answer
    x = 110.79

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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.