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Finding the Fourth Proportional to 99,773.94, 149,660.46 and 33,213.96

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Solution

The fourth proportional to 99,773.94, 149,660.46 and 33,213.96 is: 49,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,773.94 : 149,660.46 = 33,213.96 : x
  2. Step 2: Convert to fraction form
    99,773.94/149,660.46 = 33,213.96/x
  3. Step 3: Cross multiply
    99,773.94x = 149,660.46 × 33,213.96
  4. Step 4: Simplify right side
    99,773.94x = 4,970,816,532.02
  5. Step 5: Solve for x
    x = 4,970,816,532.02/99,773.94
  6. Step 6: Final answer
    x = 49,820.79

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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.