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Finding the Fourth Proportional to 246,841, 340,640.76 and 133,663.84

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Solution

The fourth proportional to 246,841, 340,640.76 and 133,663.84 is: 184,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,841 : 340,640.76 = 133,663.84 : x
  2. Step 2: Convert to fraction form
    246,841/340,640.76 = 133,663.84/x
  3. Step 3: Cross multiply
    246,841x = 340,640.76 × 133,663.84
  4. Step 4: Simplify right side
    246,841x = 45,531,352,042.12
  5. Step 5: Solve for x
    x = 45,531,352,042.12/246,841
  6. Step 6: Final answer
    x = 184,456.20

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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.