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Finding the Fourth Proportional to 325,846.78, 488,846.67 and 101,195.62

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Solution

The fourth proportional to 325,846.78, 488,846.67 and 101,195.62 is: 151,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,846.78 : 488,846.67 = 101,195.62 : x
  2. Step 2: Convert to fraction form
    325,846.78/488,846.67 = 101,195.62/x
  3. Step 3: Cross multiply
    325,846.78x = 488,846.67 × 101,195.62
  4. Step 4: Simplify right side
    325,846.78x = 49,469,141,855.59
  5. Step 5: Solve for x
    x = 49,469,141,855.59/325,846.78
  6. Step 6: Final answer
    x = 151,817.19

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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.