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Finding the Fourth Proportional to 401,083.44, 601,759.16 and 131,223.94

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Solution

The fourth proportional to 401,083.44, 601,759.16 and 131,223.94 is: 196,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,083.44 : 601,759.16 = 131,223.94 : x
  2. Step 2: Convert to fraction form
    401,083.44/601,759.16 = 131,223.94/x
  3. Step 3: Cross multiply
    401,083.44x = 601,759.16 × 131,223.94
  4. Step 4: Simplify right side
    401,083.44x = 78,965,207,906.29
  5. Step 5: Solve for x
    x = 78,965,207,906.29/401,083.44
  6. Step 6: Final answer
    x = 196,879.75

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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.