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Finding the Fourth Proportional to 244.56, 366.80 and 90.44

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Solution

The fourth proportional to 244.56, 366.80 and 90.44 is: 135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.56 : 366.80 = 90.44 : x
  2. Step 2: Convert to fraction form
    244.56/366.80 = 90.44/x
  3. Step 3: Cross multiply
    244.56x = 366.80 × 90.44
  4. Step 4: Simplify right side
    244.56x = 33,171.11
  5. Step 5: Solve for x
    x = 33,171.11/244.56
  6. Step 6: Final answer
    x = 135.64

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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.