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Finding the Fourth Proportional to 246,375, 339,997.50 and 133,197.75

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Solution

The fourth proportional to 246,375, 339,997.50 and 133,197.75 is: 183,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,375 : 339,997.50 = 133,197.75 : x
  2. Step 2: Convert to fraction form
    246,375/339,997.50 = 133,197.75/x
  3. Step 3: Cross multiply
    246,375x = 339,997.50 × 133,197.75
  4. Step 4: Simplify right side
    246,375x = 45,286,902,005.63
  5. Step 5: Solve for x
    x = 45,286,902,005.63/246,375
  6. Step 6: Final answer
    x = 183,812.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.