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Finding the Fourth Proportional to 225,969.86, 338,940.84 and 92,846.69

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Solution

The fourth proportional to 225,969.86, 338,940.84 and 92,846.69 is: 139,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,969.86 : 338,940.84 = 92,846.69 : x
  2. Step 2: Convert to fraction form
    225,969.86/338,940.84 = 92,846.69/x
  3. Step 3: Cross multiply
    225,969.86x = 338,940.84 × 92,846.69
  4. Step 4: Simplify right side
    225,969.86x = 31,469,535,099.82
  5. Step 5: Solve for x
    x = 31,469,535,099.82/225,969.86
  6. Step 6: Final answer
    x = 139,264.30

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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.