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Finding the Fourth Proportional to 246.87, 369.91 and 168.48

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Solution

The fourth proportional to 246.87, 369.91 and 168.48 is: 252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.87 : 369.91 = 168.48 : x
  2. Step 2: Convert to fraction form
    246.87/369.91 = 168.48/x
  3. Step 3: Cross multiply
    246.87x = 369.91 × 168.48
  4. Step 4: Simplify right side
    246.87x = 62,322.02
  5. Step 5: Solve for x
    x = 62,322.02/246.87
  6. Step 6: Final answer
    x = 252.45

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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.