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Finding the Fourth Proportional to 166.47, 249.46 and 94.24

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Solution

The fourth proportional to 166.47, 249.46 and 94.24 is: 141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.47 : 249.46 = 94.24 : x
  2. Step 2: Convert to fraction form
    166.47/249.46 = 94.24/x
  3. Step 3: Cross multiply
    166.47x = 249.46 × 94.24
  4. Step 4: Simplify right side
    166.47x = 23,509.11
  5. Step 5: Solve for x
    x = 23,509.11/166.47
  6. Step 6: Final answer
    x = 141.22

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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.