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Finding the Fourth Proportional to 247,755.22, 341,713.83 and 171,401.38

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Solution

The fourth proportional to 247,755.22, 341,713.83 and 171,401.38 is: 236,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,755.22 : 341,713.83 = 171,401.38 : x
  2. Step 2: Convert to fraction form
    247,755.22/341,713.83 = 171,401.38/x
  3. Step 3: Cross multiply
    247,755.22x = 341,713.83 × 171,401.38
  4. Step 4: Simplify right side
    247,755.22x = 58,570,222,027.09
  5. Step 5: Solve for x
    x = 58,570,222,027.09/247,755.22
  6. Step 6: Final answer
    x = 236,403.58

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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.