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Finding the Fourth Proportional to 106,381.69, 159,608.99 and 36,310.21

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Solution

The fourth proportional to 106,381.69, 159,608.99 and 36,310.21 is: 54,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,381.69 : 159,608.99 = 36,310.21 : x
  2. Step 2: Convert to fraction form
    106,381.69/159,608.99 = 36,310.21/x
  3. Step 3: Cross multiply
    106,381.69x = 159,608.99 × 36,310.21
  4. Step 4: Simplify right side
    106,381.69x = 5,795,436,098.91
  5. Step 5: Solve for x
    x = 5,795,436,098.91/106,381.69
  6. Step 6: Final answer
    x = 54,477.76

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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.