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Finding the Fourth Proportional to 246.46, 369.45 and 107.54

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Solution

The fourth proportional to 246.46, 369.45 and 107.54 is: 161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.46 : 369.45 = 107.54 : x
  2. Step 2: Convert to fraction form
    246.46/369.45 = 107.54/x
  3. Step 3: Cross multiply
    246.46x = 369.45 × 107.54
  4. Step 4: Simplify right side
    246.46x = 39,731.58
  5. Step 5: Solve for x
    x = 39,731.58/246.46
  6. Step 6: Final answer
    x = 161.21

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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.