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Finding the Fourth Proportional to 244.49, 366.43 and 122.90

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Solution

The fourth proportional to 244.49, 366.43 and 122.90 is: 184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.49 : 366.43 = 122.90 : x
  2. Step 2: Convert to fraction form
    244.49/366.43 = 122.90/x
  3. Step 3: Cross multiply
    244.49x = 366.43 × 122.90
  4. Step 4: Simplify right side
    244.49x = 45,034.25
  5. Step 5: Solve for x
    x = 45,034.25/244.49
  6. Step 6: Final answer
    x = 184.20

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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.