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Finding the Fourth Proportional to 73,337.86, 109,989.15 and 33,857.07

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Solution

The fourth proportional to 73,337.86, 109,989.15 and 33,857.07 is: 50,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,337.86 : 109,989.15 = 33,857.07 : x
  2. Step 2: Convert to fraction form
    73,337.86/109,989.15 = 33,857.07/x
  3. Step 3: Cross multiply
    73,337.86x = 109,989.15 × 33,857.07
  4. Step 4: Simplify right side
    73,337.86x = 3,723,910,350.79
  5. Step 5: Solve for x
    x = 3,723,910,350.79/73,337.86
  6. Step 6: Final answer
    x = 50,777.46

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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.