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Finding the Fourth Proportional to 195.94, 270.36 and 113.02

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Solution

The fourth proportional to 195.94, 270.36 and 113.02 is: 155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.94 : 270.36 = 113.02 : x
  2. Step 2: Convert to fraction form
    195.94/270.36 = 113.02/x
  3. Step 3: Cross multiply
    195.94x = 270.36 × 113.02
  4. Step 4: Simplify right side
    195.94x = 30,556.09
  5. Step 5: Solve for x
    x = 30,556.09/195.94
  6. Step 6: Final answer
    x = 155.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.