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Finding the Fourth Proportional to 249.45, 344.03 and 184.11

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Solution

The fourth proportional to 249.45, 344.03 and 184.11 is: 253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.45 : 344.03 = 184.11 : x
  2. Step 2: Convert to fraction form
    249.45/344.03 = 184.11/x
  3. Step 3: Cross multiply
    249.45x = 344.03 × 184.11
  4. Step 4: Simplify right side
    249.45x = 63,338.44
  5. Step 5: Solve for x
    x = 63,338.44/249.45
  6. Step 6: Final answer
    x = 253.91

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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.