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Finding the Fourth Proportional to 511,081.11, 766,594.08 and 156,067.56

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Solution

The fourth proportional to 511,081.11, 766,594.08 and 156,067.56 is: 234,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,081.11 : 766,594.08 = 156,067.56 : x
  2. Step 2: Convert to fraction form
    511,081.11/766,594.08 = 156,067.56/x
  3. Step 3: Cross multiply
    511,081.11x = 766,594.08 × 156,067.56
  4. Step 4: Simplify right side
    511,081.11x = 119,640,467,576.05
  5. Step 5: Solve for x
    x = 119,640,467,576.05/511,081.11
  6. Step 6: Final answer
    x = 234,092.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.