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Finding the Fourth Proportional to 73,768.46, 110,673.34 and 36,339.77

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Solution

The fourth proportional to 73,768.46, 110,673.34 and 36,339.77 is: 54,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,768.46 : 110,673.34 = 36,339.77 : x
  2. Step 2: Convert to fraction form
    73,768.46/110,673.34 = 36,339.77/x
  3. Step 3: Cross multiply
    73,768.46x = 110,673.34 × 36,339.77
  4. Step 4: Simplify right side
    73,768.46x = 4,021,843,906.57
  5. Step 5: Solve for x
    x = 4,021,843,906.57/73,768.46
  6. Step 6: Final answer
    x = 54,519.83

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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.