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Finding the Fourth Proportional to 227,711.90, 341,567.85 and 69,919.85

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Solution

The fourth proportional to 227,711.90, 341,567.85 and 69,919.85 is: 104,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,711.90 : 341,567.85 = 69,919.85 : x
  2. Step 2: Convert to fraction form
    227,711.90/341,567.85 = 69,919.85/x
  3. Step 3: Cross multiply
    227,711.90x = 341,567.85 × 69,919.85
  4. Step 4: Simplify right side
    227,711.90x = 23,882,372,836.82
  5. Step 5: Solve for x
    x = 23,882,372,836.82/227,711.90
  6. Step 6: Final answer
    x = 104,879.78

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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.