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Finding the Fourth Proportional to 246,398.33, 340,029.23 and 138,968.03

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Solution

The fourth proportional to 246,398.33, 340,029.23 and 138,968.03 is: 191,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,398.33 : 340,029.23 = 138,968.03 : x
  2. Step 2: Convert to fraction form
    246,398.33/340,029.23 = 138,968.03/x
  3. Step 3: Cross multiply
    246,398.33x = 340,029.23 × 138,968.03
  4. Step 4: Simplify right side
    246,398.33x = 47,253,192,390.75
  5. Step 5: Solve for x
    x = 47,253,192,390.75/246,398.33
  6. Step 6: Final answer
    x = 191,775.62

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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.