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Finding the Fourth Proportional to 134.26, 200.69 and 116.19

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Solution

The fourth proportional to 134.26, 200.69 and 116.19 is: 173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.26 : 200.69 = 116.19 : x
  2. Step 2: Convert to fraction form
    134.26/200.69 = 116.19/x
  3. Step 3: Cross multiply
    134.26x = 200.69 × 116.19
  4. Step 4: Simplify right side
    134.26x = 23,318.17
  5. Step 5: Solve for x
    x = 23,318.17/134.26
  6. Step 6: Final answer
    x = 173.68

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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.