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Finding the Fourth Proportional to 246,481.84, 369,768.48 and 78,044.80

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Solution

The fourth proportional to 246,481.84, 369,768.48 and 78,044.80 is: 117,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,481.84 : 369,768.48 = 78,044.80 : x
  2. Step 2: Convert to fraction form
    246,481.84/369,768.48 = 78,044.80/x
  3. Step 3: Cross multiply
    246,481.84x = 369,768.48 × 78,044.80
  4. Step 4: Simplify right side
    246,481.84x = 28,858,507,067.90
  5. Step 5: Solve for x
    x = 28,858,507,067.90/246,481.84
  6. Step 6: Final answer
    x = 117,081.68

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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.