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Finding the Fourth Proportional to 273,891.31, 377,935.27 and 160,672.75

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Solution

The fourth proportional to 273,891.31, 377,935.27 and 160,672.75 is: 221,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,891.31 : 377,935.27 = 160,672.75 : x
  2. Step 2: Convert to fraction form
    273,891.31/377,935.27 = 160,672.75/x
  3. Step 3: Cross multiply
    273,891.31x = 377,935.27 × 160,672.75
  4. Step 4: Simplify right side
    273,891.31x = 60,723,899,152.89
  5. Step 5: Solve for x
    x = 60,723,899,152.89/273,891.31
  6. Step 6: Final answer
    x = 221,708.02

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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.