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Finding the Fourth Proportional to 67,943.64, 101,891.22 and 27,950.94

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Solution

The fourth proportional to 67,943.64, 101,891.22 and 27,950.94 is: 41,916.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,943.64 : 101,891.22 = 27,950.94 : x
  2. Step 2: Convert to fraction form
    67,943.64/101,891.22 = 27,950.94/x
  3. Step 3: Cross multiply
    67,943.64x = 101,891.22 × 27,950.94
  4. Step 4: Simplify right side
    67,943.64x = 2,847,955,376.75
  5. Step 5: Solve for x
    x = 2,847,955,376.75/67,943.64
  6. Step 6: Final answer
    x = 41,916.44

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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.