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Finding the Fourth Proportional to 247,058.24, 340,940.34 and 133,881

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Solution

The fourth proportional to 247,058.24, 340,940.34 and 133,881 is: 184,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,058.24 : 340,940.34 = 133,881 : x
  2. Step 2: Convert to fraction form
    247,058.24/340,940.34 = 133,881/x
  3. Step 3: Cross multiply
    247,058.24x = 340,940.34 × 133,881
  4. Step 4: Simplify right side
    247,058.24x = 45,645,433,659.54
  5. Step 5: Solve for x
    x = 45,645,433,659.54/247,058.24
  6. Step 6: Final answer
    x = 184,755.76

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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.