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Finding the Fourth Proportional to 275,251, 379,847.01 and 160,608.46

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Solution

The fourth proportional to 275,251, 379,847.01 and 160,608.46 is: 221,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,251 : 379,847.01 = 160,608.46 : x
  2. Step 2: Convert to fraction form
    275,251/379,847.01 = 160,608.46/x
  3. Step 3: Cross multiply
    275,251x = 379,847.01 × 160,608.46
  4. Step 4: Simplify right side
    275,251x = 61,006,643,311.70
  5. Step 5: Solve for x
    x = 61,006,643,311.70/275,251
  6. Step 6: Final answer
    x = 221,640.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.