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Finding the Fourth Proportional to 133,694.08, 200,541.12 and 108,615.04

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Solution

The fourth proportional to 133,694.08, 200,541.12 and 108,615.04 is: 162,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,694.08 : 200,541.12 = 108,615.04 : x
  2. Step 2: Convert to fraction form
    133,694.08/200,541.12 = 108,615.04/x
  3. Step 3: Cross multiply
    133,694.08x = 200,541.12 × 108,615.04
  4. Step 4: Simplify right side
    133,694.08x = 21,781,781,770.44
  5. Step 5: Solve for x
    x = 21,781,781,770.44/133,694.08
  6. Step 6: Final answer
    x = 162,922.56

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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.