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Finding the Fourth Proportional to 276,195.56, 381,092.72 and 161,452.04

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Solution

The fourth proportional to 276,195.56, 381,092.72 and 161,452.04 is: 222,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,195.56 : 381,092.72 = 161,452.04 : x
  2. Step 2: Convert to fraction form
    276,195.56/381,092.72 = 161,452.04/x
  3. Step 3: Cross multiply
    276,195.56x = 381,092.72 × 161,452.04
  4. Step 4: Simplify right side
    276,195.56x = 61,528,197,073.15
  5. Step 5: Solve for x
    x = 61,528,197,073.15/276,195.56
  6. Step 6: Final answer
    x = 222,770.41

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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.