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Finding the Fourth Proportional to 79,234.50, 109,324.04 and 46,976.69

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Solution

The fourth proportional to 79,234.50, 109,324.04 and 46,976.69 is: 64,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,234.50 : 109,324.04 = 46,976.69 : x
  2. Step 2: Convert to fraction form
    79,234.50/109,324.04 = 46,976.69/x
  3. Step 3: Cross multiply
    79,234.50x = 109,324.04 × 46,976.69
  4. Step 4: Simplify right side
    79,234.50x = 5,135,680,755.12
  5. Step 5: Solve for x
    x = 5,135,680,755.12/79,234.50
  6. Step 6: Final answer
    x = 64,816.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.