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Finding the Fourth Proportional to 311,919.75, 467,830.82 and 101,556.27

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Solution

The fourth proportional to 311,919.75, 467,830.82 and 101,556.27 is: 152,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,919.75 : 467,830.82 = 101,556.27 : x
  2. Step 2: Convert to fraction form
    311,919.75/467,830.82 = 101,556.27/x
  3. Step 3: Cross multiply
    311,919.75x = 467,830.82 × 101,556.27
  4. Step 4: Simplify right side
    311,919.75x = 47,511,152,562.46
  5. Step 5: Solve for x
    x = 47,511,152,562.46/311,919.75
  6. Step 6: Final answer
    x = 152,318.51

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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.