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Finding the Fourth Proportional to 95.52, 143.44 and 79.46

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Solution

The fourth proportional to 95.52, 143.44 and 79.46 is: 119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.52 : 143.44 = 79.46 : x
  2. Step 2: Convert to fraction form
    95.52/143.44 = 79.46/x
  3. Step 3: Cross multiply
    95.52x = 143.44 × 79.46
  4. Step 4: Simplify right side
    95.52x = 11,397.74
  5. Step 5: Solve for x
    x = 11,397.74/95.52
  6. Step 6: Final answer
    x = 119.32

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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.