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Finding the Fourth Proportional to 116.18, 174.27 and 107.07

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Solution

The fourth proportional to 116.18, 174.27 and 107.07 is: 160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.18 : 174.27 = 107.07 : x
  2. Step 2: Convert to fraction form
    116.18/174.27 = 107.07/x
  3. Step 3: Cross multiply
    116.18x = 174.27 × 107.07
  4. Step 4: Simplify right side
    116.18x = 18,657.68
  5. Step 5: Solve for x
    x = 18,657.68/116.18
  6. Step 6: Final answer
    x = 160.59

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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.