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Finding the Fourth Proportional to 246,309.60, 339,888.48 and 161,279.04

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Solution

The fourth proportional to 246,309.60, 339,888.48 and 161,279.04 is: 222,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,309.60 : 339,888.48 = 161,279.04 : x
  2. Step 2: Convert to fraction form
    246,309.60/339,888.48 = 161,279.04/x
  3. Step 3: Cross multiply
    246,309.60x = 339,888.48 × 161,279.04
  4. Step 4: Simplify right side
    246,309.60x = 54,816,887,761.46
  5. Step 5: Solve for x
    x = 54,816,887,761.46/246,309.60
  6. Step 6: Final answer
    x = 222,552.79

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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.