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Finding the Fourth Proportional to 167,346.54, 230,939.83 and 91,896.62

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Solution

The fourth proportional to 167,346.54, 230,939.83 and 91,896.62 is: 126,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,346.54 : 230,939.83 = 91,896.62 : x
  2. Step 2: Convert to fraction form
    167,346.54/230,939.83 = 91,896.62/x
  3. Step 3: Cross multiply
    167,346.54x = 230,939.83 × 91,896.62
  4. Step 4: Simplify right side
    167,346.54x = 21,222,589,800.37
  5. Step 5: Solve for x
    x = 21,222,589,800.37/167,346.54
  6. Step 6: Final answer
    x = 126,818.22

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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.