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Finding the Fourth Proportional to 117,163.75, 175,745.63 and 32,920.51

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Solution

The fourth proportional to 117,163.75, 175,745.63 and 32,920.51 is: 49,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,163.75 : 175,745.63 = 32,920.51 : x
  2. Step 2: Convert to fraction form
    117,163.75/175,745.63 = 32,920.51/x
  3. Step 3: Cross multiply
    117,163.75x = 175,745.63 × 32,920.51
  4. Step 4: Simplify right side
    117,163.75x = 5,785,635,769.87
  5. Step 5: Solve for x
    x = 5,785,635,769.87/117,163.75
  6. Step 6: Final answer
    x = 49,380.77

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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.