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Finding the Fourth Proportional to 246,387.66, 339,989.59 and 181,891.20

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Solution

The fourth proportional to 246,387.66, 339,989.59 and 181,891.20 is: 250,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,387.66 : 339,989.59 = 181,891.20 : x
  2. Step 2: Convert to fraction form
    246,387.66/339,989.59 = 181,891.20/x
  3. Step 3: Cross multiply
    246,387.66x = 339,989.59 × 181,891.20
  4. Step 4: Simplify right side
    246,387.66x = 61,841,114,512.61
  5. Step 5: Solve for x
    x = 61,841,114,512.61/246,387.66
  6. Step 6: Final answer
    x = 250,991.12

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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.