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Finding the Fourth Proportional to 107.26, 160.72 and 63.83

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Solution

The fourth proportional to 107.26, 160.72 and 63.83 is: 95.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.26 : 160.72 = 63.83 : x
  2. Step 2: Convert to fraction form
    107.26/160.72 = 63.83/x
  3. Step 3: Cross multiply
    107.26x = 160.72 × 63.83
  4. Step 4: Simplify right side
    107.26x = 10,257.95
  5. Step 5: Solve for x
    x = 10,257.95/107.26
  6. Step 6: Final answer
    x = 95.63

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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.