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Finding the Fourth Proportional to 146.95, 219.99 and 95.44

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Solution

The fourth proportional to 146.95, 219.99 and 95.44 is: 142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.95 : 219.99 = 95.44 : x
  2. Step 2: Convert to fraction form
    146.95/219.99 = 95.44/x
  3. Step 3: Cross multiply
    146.95x = 219.99 × 95.44
  4. Step 4: Simplify right side
    146.95x = 20,995.85
  5. Step 5: Solve for x
    x = 20,995.85/146.95
  6. Step 6: Final answer
    x = 142.88

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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.