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Finding the Fourth Proportional to 246,851.28, 340,654.28 and 133,673.68

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Solution

The fourth proportional to 246,851.28, 340,654.28 and 133,673.68 is: 184,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,851.28 : 340,654.28 = 133,673.68 : x
  2. Step 2: Convert to fraction form
    246,851.28/340,654.28 = 133,673.68/x
  3. Step 3: Cross multiply
    246,851.28x = 340,654.28 × 133,673.68
  4. Step 4: Simplify right side
    246,851.28x = 45,536,511,215.35
  5. Step 5: Solve for x
    x = 45,536,511,215.35/246,851.28
  6. Step 6: Final answer
    x = 184,469.42

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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.