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Finding the Fourth Proportional to 200,481.67, 276,676.32 and 109,837.81

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Solution

The fourth proportional to 200,481.67, 276,676.32 and 109,837.81 is: 151,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,481.67 : 276,676.32 = 109,837.81 : x
  2. Step 2: Convert to fraction form
    200,481.67/276,676.32 = 109,837.81/x
  3. Step 3: Cross multiply
    200,481.67x = 276,676.32 × 109,837.81
  4. Step 4: Simplify right side
    200,481.67x = 30,389,521,067.66
  5. Step 5: Solve for x
    x = 30,389,521,067.66/200,481.67
  6. Step 6: Final answer
    x = 151,582.54

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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.