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Finding the Fourth Proportional to 95.57, 143.45 and 44.24

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Solution

The fourth proportional to 95.57, 143.45 and 44.24 is: 66.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.57 : 143.45 = 44.24 : x
  2. Step 2: Convert to fraction form
    95.57/143.45 = 44.24/x
  3. Step 3: Cross multiply
    95.57x = 143.45 × 44.24
  4. Step 4: Simplify right side
    95.57x = 6,346.01
  5. Step 5: Solve for x
    x = 6,346.01/95.57
  6. Step 6: Final answer
    x = 66.40

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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.