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Finding the Fourth Proportional to 246,713.80, 340,446.04 and 139,294.44

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Solution

The fourth proportional to 246,713.80, 340,446.04 and 139,294.44 is: 192,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,713.80 : 340,446.04 = 139,294.44 : x
  2. Step 2: Convert to fraction form
    246,713.80/340,446.04 = 139,294.44/x
  3. Step 3: Cross multiply
    246,713.80x = 340,446.04 × 139,294.44
  4. Step 4: Simplify right side
    246,713.80x = 47,422,239,650.64
  5. Step 5: Solve for x
    x = 47,422,239,650.64/246,713.80
  6. Step 6: Final answer
    x = 192,215.59

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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.