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Finding the Fourth Proportional to 134.29, 200.44 and 131.59

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Solution

The fourth proportional to 134.29, 200.44 and 131.59 is: 196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.29 : 200.44 = 131.59 : x
  2. Step 2: Convert to fraction form
    134.29/200.44 = 131.59/x
  3. Step 3: Cross multiply
    134.29x = 200.44 × 131.59
  4. Step 4: Simplify right side
    134.29x = 26,375.90
  5. Step 5: Solve for x
    x = 26,375.90/134.29
  6. Step 6: Final answer
    x = 196.41

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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.