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Finding the Fourth Proportional to 331,230.99, 496,846.71 and 106,591.38

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Solution

The fourth proportional to 331,230.99, 496,846.71 and 106,591.38 is: 159,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,230.99 : 496,846.71 = 106,591.38 : x
  2. Step 2: Convert to fraction form
    331,230.99/496,846.71 = 106,591.38/x
  3. Step 3: Cross multiply
    331,230.99x = 496,846.71 × 106,591.38
  4. Step 4: Simplify right side
    331,230.99x = 52,959,574,604.18
  5. Step 5: Solve for x
    x = 52,959,574,604.18/331,230.99
  6. Step 6: Final answer
    x = 159,887.14

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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.