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Finding the Fourth Proportional to 106.24, 159.34 and 44.59

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Solution

The fourth proportional to 106.24, 159.34 and 44.59 is: 66.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.24 : 159.34 = 44.59 : x
  2. Step 2: Convert to fraction form
    106.24/159.34 = 44.59/x
  3. Step 3: Cross multiply
    106.24x = 159.34 × 44.59
  4. Step 4: Simplify right side
    106.24x = 7,104.97
  5. Step 5: Solve for x
    x = 7,104.97/106.24
  6. Step 6: Final answer
    x = 66.88

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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.