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Finding the Fourth Proportional to 246,377.98, 339,999.96 and 138,948.94

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Solution

The fourth proportional to 246,377.98, 339,999.96 and 138,948.94 is: 191,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,377.98 : 339,999.96 = 138,948.94 : x
  2. Step 2: Convert to fraction form
    246,377.98/339,999.96 = 138,948.94/x
  3. Step 3: Cross multiply
    246,377.98x = 339,999.96 × 138,948.94
  4. Step 4: Simplify right side
    246,377.98x = 47,242,634,042.04
  5. Step 5: Solve for x
    x = 47,242,634,042.04/246,377.98
  6. Step 6: Final answer
    x = 191,748.61

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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.