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Finding the Fourth Proportional to 95.73, 143.63 and 44.36

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Solution

The fourth proportional to 95.73, 143.63 and 44.36 is: 66.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.73 : 143.63 = 44.36 : x
  2. Step 2: Convert to fraction form
    95.73/143.63 = 44.36/x
  3. Step 3: Cross multiply
    95.73x = 143.63 × 44.36
  4. Step 4: Simplify right side
    95.73x = 6,371.43
  5. Step 5: Solve for x
    x = 6,371.43/95.73
  6. Step 6: Final answer
    x = 66.56

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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.