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Finding the Fourth Proportional to 95.68, 143.40 and 44.27

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Solution

The fourth proportional to 95.68, 143.40 and 44.27 is: 66.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.68 : 143.40 = 44.27 : x
  2. Step 2: Convert to fraction form
    95.68/143.40 = 44.27/x
  3. Step 3: Cross multiply
    95.68x = 143.40 × 44.27
  4. Step 4: Simplify right side
    95.68x = 6,348.32
  5. Step 5: Solve for x
    x = 6,348.32/95.68
  6. Step 6: Final answer
    x = 66.35

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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.