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Finding the Fourth Proportional to 246,647, 340,373.16 and 133,469.75

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Solution

The fourth proportional to 246,647, 340,373.16 and 133,469.75 is: 184,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,647 : 340,373.16 = 133,469.75 : x
  2. Step 2: Convert to fraction form
    246,647/340,373.16 = 133,469.75/x
  3. Step 3: Cross multiply
    246,647x = 340,373.16 × 133,469.75
  4. Step 4: Simplify right side
    246,647x = 45,429,520,571.91
  5. Step 5: Solve for x
    x = 45,429,520,571.91/246,647
  6. Step 6: Final answer
    x = 184,188.42

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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.