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Finding the Fourth Proportional to 167,991.83, 231,828.75 and 92,540.33

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Solution

The fourth proportional to 167,991.83, 231,828.75 and 92,540.33 is: 127,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,991.83 : 231,828.75 = 92,540.33 : x
  2. Step 2: Convert to fraction form
    167,991.83/231,828.75 = 92,540.33/x
  3. Step 3: Cross multiply
    167,991.83x = 231,828.75 × 92,540.33
  4. Step 4: Simplify right side
    167,991.83x = 21,453,509,028.49
  5. Step 5: Solve for x
    x = 21,453,509,028.49/167,991.83
  6. Step 6: Final answer
    x = 127,705.67

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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.