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Finding the Fourth Proportional to 67,801.34, 101,694.21 and 17,885.39

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Solution

The fourth proportional to 67,801.34, 101,694.21 and 17,885.39 is: 26,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,801.34 : 101,694.21 = 17,885.39 : x
  2. Step 2: Convert to fraction form
    67,801.34/101,694.21 = 17,885.39/x
  3. Step 3: Cross multiply
    67,801.34x = 101,694.21 × 17,885.39
  4. Step 4: Simplify right side
    67,801.34x = 1,818,840,098.12
  5. Step 5: Solve for x
    x = 1,818,840,098.12/67,801.34
  6. Step 6: Final answer
    x = 26,826.02

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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.