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Finding the Fourth Proportional to 226,509.08, 339,765.65 and 68,737.52

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Solution

The fourth proportional to 226,509.08, 339,765.65 and 68,737.52 is: 103,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,509.08 : 339,765.65 = 68,737.52 : x
  2. Step 2: Convert to fraction form
    226,509.08/339,765.65 = 68,737.52/x
  3. Step 3: Cross multiply
    226,509.08x = 339,765.65 × 68,737.52
  4. Step 4: Simplify right side
    226,509.08x = 23,354,649,183.45
  5. Step 5: Solve for x
    x = 23,354,649,183.45/226,509.08
  6. Step 6: Final answer
    x = 103,106.90

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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.