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Finding the Fourth Proportional to 275,958.56, 413,563.44 and 126,012.92

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Solution

The fourth proportional to 275,958.56, 413,563.44 and 126,012.92 is: 188,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,958.56 : 413,563.44 = 126,012.92 : x
  2. Step 2: Convert to fraction form
    275,958.56/413,563.44 = 126,012.92/x
  3. Step 3: Cross multiply
    275,958.56x = 413,563.44 × 126,012.92
  4. Step 4: Simplify right side
    275,958.56x = 52,114,336,679.64
  5. Step 5: Solve for x
    x = 52,114,336,679.64/275,958.56
  6. Step 6: Final answer
    x = 188,848.42

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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.