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Finding the Fourth Proportional to 225,596.88, 338,382.87 and 75,821.71

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Solution

The fourth proportional to 225,596.88, 338,382.87 and 75,821.71 is: 113,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,596.88 : 338,382.87 = 75,821.71 : x
  2. Step 2: Convert to fraction form
    225,596.88/338,382.87 = 75,821.71/x
  3. Step 3: Cross multiply
    225,596.88x = 338,382.87 × 75,821.71
  4. Step 4: Simplify right side
    225,596.88x = 25,656,767,838.11
  5. Step 5: Solve for x
    x = 25,656,767,838.11/225,596.88
  6. Step 6: Final answer
    x = 113,728.38

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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.