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Finding the Fourth Proportional to 246.91, 369.96 and 165.51

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Solution

The fourth proportional to 246.91, 369.96 and 165.51 is: 247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.91 : 369.96 = 165.51 : x
  2. Step 2: Convert to fraction form
    246.91/369.96 = 165.51/x
  3. Step 3: Cross multiply
    246.91x = 369.96 × 165.51
  4. Step 4: Simplify right side
    246.91x = 61,230.23
  5. Step 5: Solve for x
    x = 61,230.23/246.91
  6. Step 6: Final answer
    x = 247.99

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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.