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Finding the Fourth Proportional to 247,037.22, 340,910.91 and 133,859.97

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Solution

The fourth proportional to 247,037.22, 340,910.91 and 133,859.97 is: 184,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,037.22 : 340,910.91 = 133,859.97 : x
  2. Step 2: Convert to fraction form
    247,037.22/340,910.91 = 133,859.97/x
  3. Step 3: Cross multiply
    247,037.22x = 340,910.91 × 133,859.97
  4. Step 4: Simplify right side
    247,037.22x = 45,634,324,185.27
  5. Step 5: Solve for x
    x = 45,634,324,185.27/247,037.22
  6. Step 6: Final answer
    x = 184,726.51

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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.