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Finding the Fourth Proportional to 299,469.37, 449,173.84 and 99,768.33

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Solution

The fourth proportional to 299,469.37, 449,173.84 and 99,768.33 is: 149,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,469.37 : 449,173.84 = 99,768.33 : x
  2. Step 2: Convert to fraction form
    299,469.37/449,173.84 = 99,768.33/x
  3. Step 3: Cross multiply
    299,469.37x = 449,173.84 × 99,768.33
  4. Step 4: Simplify right side
    299,469.37x = 44,813,323,896.49
  5. Step 5: Solve for x
    x = 44,813,323,896.49/299,469.37
  6. Step 6: Final answer
    x = 149,642.43

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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.