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Finding the Fourth Proportional to 322,173.72, 444,591.99 and 178,932.51

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Solution

The fourth proportional to 322,173.72, 444,591.99 and 178,932.51 is: 246,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,173.72 : 444,591.99 = 178,932.51 : x
  2. Step 2: Convert to fraction form
    322,173.72/444,591.99 = 178,932.51/x
  3. Step 3: Cross multiply
    322,173.72x = 444,591.99 × 178,932.51
  4. Step 4: Simplify right side
    322,173.72x = 79,551,960,696.59
  5. Step 5: Solve for x
    x = 79,551,960,696.59/322,173.72
  6. Step 6: Final answer
    x = 246,922.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.