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Finding the Fourth Proportional to 246.34, 369.44 and 72.96

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Solution

The fourth proportional to 246.34, 369.44 and 72.96 is: 109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.34 : 369.44 = 72.96 : x
  2. Step 2: Convert to fraction form
    246.34/369.44 = 72.96/x
  3. Step 3: Cross multiply
    246.34x = 369.44 × 72.96
  4. Step 4: Simplify right side
    246.34x = 26,954.34
  5. Step 5: Solve for x
    x = 26,954.34/246.34
  6. Step 6: Final answer
    x = 109.42

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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.