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Finding the Fourth Proportional to 246,274, 339,850.41 and 138,842.48

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Solution

The fourth proportional to 246,274, 339,850.41 and 138,842.48 is: 191,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,274 : 339,850.41 = 138,842.48 : x
  2. Step 2: Convert to fraction form
    246,274/339,850.41 = 138,842.48/x
  3. Step 3: Cross multiply
    246,274x = 339,850.41 × 138,842.48
  4. Step 4: Simplify right side
    246,274x = 47,185,673,753.42
  5. Step 5: Solve for x
    x = 47,185,673,753.42/246,274
  6. Step 6: Final answer
    x = 191,598.28

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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.