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Finding the Fourth Proportional to 244.50, 366.76 and 90.44

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Solution

The fourth proportional to 244.50, 366.76 and 90.44 is: 135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.50 : 366.76 = 90.44 : x
  2. Step 2: Convert to fraction form
    244.50/366.76 = 90.44/x
  3. Step 3: Cross multiply
    244.50x = 366.76 × 90.44
  4. Step 4: Simplify right side
    244.50x = 33,169.77
  5. Step 5: Solve for x
    x = 33,169.77/244.50
  6. Step 6: Final answer
    x = 135.66

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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.