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Finding the Fourth Proportional to 95.44, 143.06 and 44.12

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Solution

The fourth proportional to 95.44, 143.06 and 44.12 is: 66.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.44 : 143.06 = 44.12 : x
  2. Step 2: Convert to fraction form
    95.44/143.06 = 44.12/x
  3. Step 3: Cross multiply
    95.44x = 143.06 × 44.12
  4. Step 4: Simplify right side
    95.44x = 6,311.20
  5. Step 5: Solve for x
    x = 6,311.20/95.44
  6. Step 6: Final answer
    x = 66.13

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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.