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Finding the Fourth Proportional to 246,995.70, 340,845.33 and 139,563.42

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Solution

The fourth proportional to 246,995.70, 340,845.33 and 139,563.42 is: 192,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,995.70 : 340,845.33 = 139,563.42 : x
  2. Step 2: Convert to fraction form
    246,995.70/340,845.33 = 139,563.42/x
  3. Step 3: Cross multiply
    246,995.70x = 340,845.33 × 139,563.42
  4. Step 4: Simplify right side
    246,995.70x = 47,569,539,945.83
  5. Step 5: Solve for x
    x = 47,569,539,945.83/246,995.70
  6. Step 6: Final answer
    x = 192,592.59

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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.