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Finding the Fourth Proportional to 246,658.85, 340,387.97 and 133,481.60

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Solution

The fourth proportional to 246,658.85, 340,387.97 and 133,481.60 is: 184,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,658.85 : 340,387.97 = 133,481.60 : x
  2. Step 2: Convert to fraction form
    246,658.85/340,387.97 = 133,481.60/x
  3. Step 3: Cross multiply
    246,658.85x = 340,387.97 × 133,481.60
  4. Step 4: Simplify right side
    246,658.85x = 45,435,531,039.91
  5. Step 5: Solve for x
    x = 45,435,531,039.91/246,658.85
  6. Step 6: Final answer
    x = 184,203.93

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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.