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Finding the Fourth Proportional to 244.19, 366.21 and 97.88

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Solution

The fourth proportional to 244.19, 366.21 and 97.88 is: 146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.19 : 366.21 = 97.88 : x
  2. Step 2: Convert to fraction form
    244.19/366.21 = 97.88/x
  3. Step 3: Cross multiply
    244.19x = 366.21 × 97.88
  4. Step 4: Simplify right side
    244.19x = 35,842.80
  5. Step 5: Solve for x
    x = 35,842.80/244.19
  6. Step 6: Final answer
    x = 146.78

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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.