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Finding the Fourth Proportional to 101,163.49, 151,727.96 and 33,687.86

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Solution

The fourth proportional to 101,163.49, 151,727.96 and 33,687.86 is: 50,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,163.49 : 151,727.96 = 33,687.86 : x
  2. Step 2: Convert to fraction form
    101,163.49/151,727.96 = 33,687.86/x
  3. Step 3: Cross multiply
    101,163.49x = 151,727.96 × 33,687.86
  4. Step 4: Simplify right side
    101,163.49x = 5,111,389,600.15
  5. Step 5: Solve for x
    x = 5,111,389,600.15/101,163.49
  6. Step 6: Final answer
    x = 50,526.03

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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.