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Finding the Fourth Proportional to 244.10, 366.20 and 135.66

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Solution

The fourth proportional to 244.10, 366.20 and 135.66 is: 203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.10 : 366.20 = 135.66 : x
  2. Step 2: Convert to fraction form
    244.10/366.20 = 135.66/x
  3. Step 3: Cross multiply
    244.10x = 366.20 × 135.66
  4. Step 4: Simplify right side
    244.10x = 49,678.01
  5. Step 5: Solve for x
    x = 49,678.01/244.10
  6. Step 6: Final answer
    x = 203.52

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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.