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Finding the Fourth Proportional to 225,553.84, 338,118.83 and 75,689.02

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Solution

The fourth proportional to 225,553.84, 338,118.83 and 75,689.02 is: 113,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,553.84 : 338,118.83 = 75,689.02 : x
  2. Step 2: Convert to fraction form
    225,553.84/338,118.83 = 75,689.02/x
  3. Step 3: Cross multiply
    225,553.84x = 338,118.83 × 75,689.02
  4. Step 4: Simplify right side
    225,553.84x = 25,591,882,507.80
  5. Step 5: Solve for x
    x = 25,591,882,507.80/225,553.84
  6. Step 6: Final answer
    x = 113,462.41

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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.