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Finding the Fourth Proportional to 331,057.68, 496,469.75 and 106,342.22

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Solution

The fourth proportional to 331,057.68, 496,469.75 and 106,342.22 is: 159,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,057.68 : 496,469.75 = 106,342.22 : x
  2. Step 2: Convert to fraction form
    331,057.68/496,469.75 = 106,342.22/x
  3. Step 3: Cross multiply
    331,057.68x = 496,469.75 × 106,342.22
  4. Step 4: Simplify right side
    331,057.68x = 52,795,692,363.79
  5. Step 5: Solve for x
    x = 52,795,692,363.79/331,057.68
  6. Step 6: Final answer
    x = 159,475.81

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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.