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Finding the Fourth Proportional to 116.35, 175.39 and 108.52

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Solution

The fourth proportional to 116.35, 175.39 and 108.52 is: 163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.35 : 175.39 = 108.52 : x
  2. Step 2: Convert to fraction form
    116.35/175.39 = 108.52/x
  3. Step 3: Cross multiply
    116.35x = 175.39 × 108.52
  4. Step 4: Simplify right side
    116.35x = 19,033.32
  5. Step 5: Solve for x
    x = 19,033.32/116.35
  6. Step 6: Final answer
    x = 163.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.