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Finding the Fourth Proportional to 106,390.62, 159,568.62 and 50,230.62

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Solution

The fourth proportional to 106,390.62, 159,568.62 and 50,230.62 is: 75,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,390.62 : 159,568.62 = 50,230.62 : x
  2. Step 2: Convert to fraction form
    106,390.62/159,568.62 = 50,230.62/x
  3. Step 3: Cross multiply
    106,390.62x = 159,568.62 × 50,230.62
  4. Step 4: Simplify right side
    106,390.62x = 8,015,230,715.14
  5. Step 5: Solve for x
    x = 8,015,230,715.14/106,390.62
  6. Step 6: Final answer
    x = 75,337.76

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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.