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Finding the Fourth Proportional to 108,694.46, 163,020.94 and 33,815.54

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Solution

The fourth proportional to 108,694.46, 163,020.94 and 33,815.54 is: 50,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,694.46 : 163,020.94 = 33,815.54 : x
  2. Step 2: Convert to fraction form
    108,694.46/163,020.94 = 33,815.54/x
  3. Step 3: Cross multiply
    108,694.46x = 163,020.94 × 33,815.54
  4. Step 4: Simplify right side
    108,694.46x = 5,512,641,440.42
  5. Step 5: Solve for x
    x = 5,512,641,440.42/108,694.46
  6. Step 6: Final answer
    x = 50,716.86

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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.