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Finding the Fourth Proportional to 170.41, 236.45 and 163.56

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Solution

The fourth proportional to 170.41, 236.45 and 163.56 is: 226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.41 : 236.45 = 163.56 : x
  2. Step 2: Convert to fraction form
    170.41/236.45 = 163.56/x
  3. Step 3: Cross multiply
    170.41x = 236.45 × 163.56
  4. Step 4: Simplify right side
    170.41x = 38,673.76
  5. Step 5: Solve for x
    x = 38,673.76/170.41
  6. Step 6: Final answer
    x = 226.95

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.