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Finding the Fourth Proportional to 111,940.36, 167,871.02 and 33,033.48

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Solution

The fourth proportional to 111,940.36, 167,871.02 and 33,033.48 is: 49,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,940.36 : 167,871.02 = 33,033.48 : x
  2. Step 2: Convert to fraction form
    111,940.36/167,871.02 = 33,033.48/x
  3. Step 3: Cross multiply
    111,940.36x = 167,871.02 × 33,033.48
  4. Step 4: Simplify right side
    111,940.36x = 5,545,363,981.75
  5. Step 5: Solve for x
    x = 5,545,363,981.75/111,940.36
  6. Step 6: Final answer
    x = 49,538.56

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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.