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Finding the Fourth Proportional to 163.19, 244.60 and 94.66

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Solution

The fourth proportional to 163.19, 244.60 and 94.66 is: 141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.19 : 244.60 = 94.66 : x
  2. Step 2: Convert to fraction form
    163.19/244.60 = 94.66/x
  3. Step 3: Cross multiply
    163.19x = 244.60 × 94.66
  4. Step 4: Simplify right side
    163.19x = 23,153.84
  5. Step 5: Solve for x
    x = 23,153.84/163.19
  6. Step 6: Final answer
    x = 141.88

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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.