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Finding the Fourth Proportional to 116.11, 159.96 and 96.36

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Solution

The fourth proportional to 116.11, 159.96 and 96.36 is: 132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.11 : 159.96 = 96.36 : x
  2. Step 2: Convert to fraction form
    116.11/159.96 = 96.36/x
  3. Step 3: Cross multiply
    116.11x = 159.96 × 96.36
  4. Step 4: Simplify right side
    116.11x = 15,413.75
  5. Step 5: Solve for x
    x = 15,413.75/116.11
  6. Step 6: Final answer
    x = 132.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.