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Finding the Fourth Proportional to 67,881.66, 101,789.18 and 27,893.40

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Solution

The fourth proportional to 67,881.66, 101,789.18 and 27,893.40 is: 41,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,881.66 : 101,789.18 = 27,893.40 : x
  2. Step 2: Convert to fraction form
    67,881.66/101,789.18 = 27,893.40/x
  3. Step 3: Cross multiply
    67,881.66x = 101,789.18 × 27,893.40
  4. Step 4: Simplify right side
    67,881.66x = 2,839,246,313.41
  5. Step 5: Solve for x
    x = 2,839,246,313.41/67,881.66
  6. Step 6: Final answer
    x = 41,826.41

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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.