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Finding the Fourth Proportional to 166.17, 248.94 and 94.08

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Solution

The fourth proportional to 166.17, 248.94 and 94.08 is: 140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.17 : 248.94 = 94.08 : x
  2. Step 2: Convert to fraction form
    166.17/248.94 = 94.08/x
  3. Step 3: Cross multiply
    166.17x = 248.94 × 94.08
  4. Step 4: Simplify right side
    166.17x = 23,420.28
  5. Step 5: Solve for x
    x = 23,420.28/166.17
  6. Step 6: Final answer
    x = 140.94

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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.