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Finding the Fourth Proportional to 116.33, 173.43 and 116.17

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Solution

The fourth proportional to 116.33, 173.43 and 116.17 is: 173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.33 : 173.43 = 116.17 : x
  2. Step 2: Convert to fraction form
    116.33/173.43 = 116.17/x
  3. Step 3: Cross multiply
    116.33x = 173.43 × 116.17
  4. Step 4: Simplify right side
    116.33x = 20,146.93
  5. Step 5: Solve for x
    x = 20,146.93/116.33
  6. Step 6: Final answer
    x = 173.20

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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.