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Finding the Fourth Proportional to 124.73, 186.17 and 94.14

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Solution

The fourth proportional to 124.73, 186.17 and 94.14 is: 140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.73 : 186.17 = 94.14 : x
  2. Step 2: Convert to fraction form
    124.73/186.17 = 94.14/x
  3. Step 3: Cross multiply
    124.73x = 186.17 × 94.14
  4. Step 4: Simplify right side
    124.73x = 17,525.57
  5. Step 5: Solve for x
    x = 17,525.57/124.73
  6. Step 6: Final answer
    x = 140.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.