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Finding the Fourth Proportional to 107,694.99, 161,550.45 and 32,821.56

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Solution

The fourth proportional to 107,694.99, 161,550.45 and 32,821.56 is: 49,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,694.99 : 161,550.45 = 32,821.56 : x
  2. Step 2: Convert to fraction form
    107,694.99/161,550.45 = 32,821.56/x
  3. Step 3: Cross multiply
    107,694.99x = 161,550.45 × 32,821.56
  4. Step 4: Simplify right side
    107,694.99x = 5,302,337,787.70
  5. Step 5: Solve for x
    x = 5,302,337,787.70/107,694.99
  6. Step 6: Final answer
    x = 49,234.77

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1.5x scale

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.