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Finding the Fourth Proportional to 246,424.48, 340,058.15 and 138,992.96

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Solution

The fourth proportional to 246,424.48, 340,058.15 and 138,992.96 is: 191,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,424.48 : 340,058.15 = 138,992.96 : x
  2. Step 2: Convert to fraction form
    246,424.48/340,058.15 = 138,992.96/x
  3. Step 3: Cross multiply
    246,424.48x = 340,058.15 × 138,992.96
  4. Step 4: Simplify right side
    246,424.48x = 47,265,689,517.03
  5. Step 5: Solve for x
    x = 47,265,689,517.03/246,424.48
  6. Step 6: Final answer
    x = 191,805.98

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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.