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Finding the Fourth Proportional to 168,606.30, 252,836.55 and 84,333.90

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Solution

The fourth proportional to 168,606.30, 252,836.55 and 84,333.90 is: 126,464.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,606.30 : 252,836.55 = 84,333.90 : x
  2. Step 2: Convert to fraction form
    168,606.30/252,836.55 = 84,333.90/x
  3. Step 3: Cross multiply
    168,606.30x = 252,836.55 × 84,333.90
  4. Step 4: Simplify right side
    168,606.30x = 21,322,692,324.05
  5. Step 5: Solve for x
    x = 21,322,692,324.05/168,606.30
  6. Step 6: Final answer
    x = 126,464.39

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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.