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Finding the Fourth Proportional to 246.36, 369.59 and 84.16

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Solution

The fourth proportional to 246.36, 369.59 and 84.16 is: 126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.36 : 369.59 = 84.16 : x
  2. Step 2: Convert to fraction form
    246.36/369.59 = 84.16/x
  3. Step 3: Cross multiply
    246.36x = 369.59 × 84.16
  4. Step 4: Simplify right side
    246.36x = 31,104.69
  5. Step 5: Solve for x
    x = 31,104.69/246.36
  6. Step 6: Final answer
    x = 126.26

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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.