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Finding the Fourth Proportional to 183.97, 254.37 and 160.90

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Solution

The fourth proportional to 183.97, 254.37 and 160.90 is: 222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.97 : 254.37 = 160.90 : x
  2. Step 2: Convert to fraction form
    183.97/254.37 = 160.90/x
  3. Step 3: Cross multiply
    183.97x = 254.37 × 160.90
  4. Step 4: Simplify right side
    183.97x = 40,928.13
  5. Step 5: Solve for x
    x = 40,928.13/183.97
  6. Step 6: Final answer
    x = 222.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.