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Finding the Fourth Proportional to 246,380.98, 340,004.10 and 138,951.94

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Solution

The fourth proportional to 246,380.98, 340,004.10 and 138,951.94 is: 191,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,380.98 : 340,004.10 = 138,951.94 : x
  2. Step 2: Convert to fraction form
    246,380.98/340,004.10 = 138,951.94/x
  3. Step 3: Cross multiply
    246,380.98x = 340,004.10 × 138,951.94
  4. Step 4: Simplify right side
    246,380.98x = 47,244,229,302.95
  5. Step 5: Solve for x
    x = 47,244,229,302.95/246,380.98
  6. Step 6: Final answer
    x = 191,752.75

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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.