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Finding the Fourth Proportional to 199.26, 274.50 and 184.68

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Solution

The fourth proportional to 199.26, 274.50 and 184.68 is: 254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.26 : 274.50 = 184.68 : x
  2. Step 2: Convert to fraction form
    199.26/274.50 = 184.68/x
  3. Step 3: Cross multiply
    199.26x = 274.50 × 184.68
  4. Step 4: Simplify right side
    199.26x = 50,694.66
  5. Step 5: Solve for x
    x = 50,694.66/199.26
  6. Step 6: Final answer
    x = 254.41

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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.