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Finding the Fourth Proportional to 136.28, 203.04 and 134.94

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Solution

The fourth proportional to 136.28, 203.04 and 134.94 is: 201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.28 : 203.04 = 134.94 : x
  2. Step 2: Convert to fraction form
    136.28/203.04 = 134.94/x
  3. Step 3: Cross multiply
    136.28x = 203.04 × 134.94
  4. Step 4: Simplify right side
    136.28x = 27,398.22
  5. Step 5: Solve for x
    x = 27,398.22/136.28
  6. Step 6: Final answer
    x = 201.04

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