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Finding the Fourth Proportional to 246.67, 369.75 and 84.24

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Solution

The fourth proportional to 246.67, 369.75 and 84.24 is: 126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.67 : 369.75 = 84.24 : x
  2. Step 2: Convert to fraction form
    246.67/369.75 = 84.24/x
  3. Step 3: Cross multiply
    246.67x = 369.75 × 84.24
  4. Step 4: Simplify right side
    246.67x = 31,148.06
  5. Step 5: Solve for x
    x = 31,148.06/246.67
  6. Step 6: Final answer
    x = 126.28

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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.