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Finding the Fourth Proportional to 330,691.56, 496,118.34 and 106,052.64

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Solution

The fourth proportional to 330,691.56, 496,118.34 and 106,052.64 is: 159,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,691.56 : 496,118.34 = 106,052.64 : x
  2. Step 2: Convert to fraction form
    330,691.56/496,118.34 = 106,052.64/x
  3. Step 3: Cross multiply
    330,691.56x = 496,118.34 × 106,052.64
  4. Step 4: Simplify right side
    330,691.56x = 52,614,659,709.42
  5. Step 5: Solve for x
    x = 52,614,659,709.42/330,691.56
  6. Step 6: Final answer
    x = 159,104.94

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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.