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Finding the Fourth Proportional to 246.67, 369.70 and 131.04

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Solution

The fourth proportional to 246.67, 369.70 and 131.04 is: 196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.67 : 369.70 = 131.04 : x
  2. Step 2: Convert to fraction form
    246.67/369.70 = 131.04/x
  3. Step 3: Cross multiply
    246.67x = 369.70 × 131.04
  4. Step 4: Simplify right side
    246.67x = 48,445.16
  5. Step 5: Solve for x
    x = 48,445.16/246.67
  6. Step 6: Final answer
    x = 196.40

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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.