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Finding the Fourth Proportional to 244.80, 366.96 and 82.36

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Solution

The fourth proportional to 244.80, 366.96 and 82.36 is: 123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.80 : 366.96 = 82.36 : x
  2. Step 2: Convert to fraction form
    244.80/366.96 = 82.36/x
  3. Step 3: Cross multiply
    244.80x = 366.96 × 82.36
  4. Step 4: Simplify right side
    244.80x = 30,222.83
  5. Step 5: Solve for x
    x = 30,222.83/244.80
  6. Step 6: Final answer
    x = 123.46

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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.