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Finding the Fourth Proportional to 135.95, 204 and 134.92

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Solution

The fourth proportional to 135.95, 204 and 134.92 is: 202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.95 : 204 = 134.92 : x
  2. Step 2: Convert to fraction form
    135.95/204 = 134.92/x
  3. Step 3: Cross multiply
    135.95x = 204 × 134.92
  4. Step 4: Simplify right side
    135.95x = 27,523.68
  5. Step 5: Solve for x
    x = 27,523.68/135.95
  6. Step 6: Final answer
    x = 202.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.