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Finding the Fourth Proportional to 116.36, 173.16 and 112.04

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Solution

The fourth proportional to 116.36, 173.16 and 112.04 is: 166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.36 : 173.16 = 112.04 : x
  2. Step 2: Convert to fraction form
    116.36/173.16 = 112.04/x
  3. Step 3: Cross multiply
    116.36x = 173.16 × 112.04
  4. Step 4: Simplify right side
    116.36x = 19,399.98
  5. Step 5: Solve for x
    x = 19,399.98/116.36
  6. Step 6: Final answer
    x = 166.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.