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Finding the Fourth Proportional to 159,494.56, 220,107.48 and 91,523.98

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Solution

The fourth proportional to 159,494.56, 220,107.48 and 91,523.98 is: 126,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,494.56 : 220,107.48 = 91,523.98 : x
  2. Step 2: Convert to fraction form
    159,494.56/220,107.48 = 91,523.98/x
  3. Step 3: Cross multiply
    159,494.56x = 220,107.48 × 91,523.98
  4. Step 4: Simplify right side
    159,494.56x = 20,145,112,597.37
  5. Step 5: Solve for x
    x = 20,145,112,597.37/159,494.56
  6. Step 6: Final answer
    x = 126,305.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.