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Finding the Fourth Proportional to 246,391.66, 339,995.10 and 181,895.20

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Solution

The fourth proportional to 246,391.66, 339,995.10 and 181,895.20 is: 250,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,391.66 : 339,995.10 = 181,895.20 : x
  2. Step 2: Convert to fraction form
    246,391.66/339,995.10 = 181,895.20/x
  3. Step 3: Cross multiply
    246,391.66x = 339,995.10 × 181,895.20
  4. Step 4: Simplify right side
    246,391.66x = 61,843,476,713.52
  5. Step 5: Solve for x
    x = 61,843,476,713.52/246,391.66
  6. Step 6: Final answer
    x = 250,996.63

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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.