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Finding the Fourth Proportional to 481,872.53, 722,754.11 and 126,914.33

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Solution

The fourth proportional to 481,872.53, 722,754.11 and 126,914.33 is: 190,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,872.53 : 722,754.11 = 126,914.33 : x
  2. Step 2: Convert to fraction form
    481,872.53/722,754.11 = 126,914.33/x
  3. Step 3: Cross multiply
    481,872.53x = 722,754.11 × 126,914.33
  4. Step 4: Simplify right side
    481,872.53x = 91,727,849,377.05
  5. Step 5: Solve for x
    x = 91,727,849,377.05/481,872.53
  6. Step 6: Final answer
    x = 190,357.09

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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.