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Finding the Fourth Proportional to 246,410.82, 340,081.92 and 149,663.64

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Solution

The fourth proportional to 246,410.82, 340,081.92 and 149,663.64 is: 206,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,410.82 : 340,081.92 = 149,663.64 : x
  2. Step 2: Convert to fraction form
    246,410.82/340,081.92 = 149,663.64/x
  3. Step 3: Cross multiply
    246,410.82x = 340,081.92 × 149,663.64
  4. Step 4: Simplify right side
    246,410.82x = 50,897,898,045.39
  5. Step 5: Solve for x
    x = 50,897,898,045.39/246,410.82
  6. Step 6: Final answer
    x = 206,557.07

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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.