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Finding the Fourth Proportional to 246.16, 369.23 and 83.85

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Solution

The fourth proportional to 246.16, 369.23 and 83.85 is: 125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.16 : 369.23 = 83.85 : x
  2. Step 2: Convert to fraction form
    246.16/369.23 = 83.85/x
  3. Step 3: Cross multiply
    246.16x = 369.23 × 83.85
  4. Step 4: Simplify right side
    246.16x = 30,959.94
  5. Step 5: Solve for x
    x = 30,959.94/246.16
  6. Step 6: Final answer
    x = 125.77

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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.