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Finding the Fourth Proportional to 79,553.32, 119,353.66 and 32,809

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Solution

The fourth proportional to 79,553.32, 119,353.66 and 32,809 is: 49,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,553.32 : 119,353.66 = 32,809 : x
  2. Step 2: Convert to fraction form
    79,553.32/119,353.66 = 32,809/x
  3. Step 3: Cross multiply
    79,553.32x = 119,353.66 × 32,809
  4. Step 4: Simplify right side
    79,553.32x = 3,915,874,230.94
  5. Step 5: Solve for x
    x = 3,915,874,230.94/79,553.32
  6. Step 6: Final answer
    x = 49,223.27

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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.