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Finding the Fourth Proportional to 68,167.92, 102,200.88 and 45,918.84

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Solution

The fourth proportional to 68,167.92, 102,200.88 and 45,918.84 is: 68,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167.92 : 102,200.88 = 45,918.84 : x
  2. Step 2: Convert to fraction form
    68,167.92/102,200.88 = 45,918.84/x
  3. Step 3: Cross multiply
    68,167.92x = 102,200.88 × 45,918.84
  4. Step 4: Simplify right side
    68,167.92x = 4,692,945,856.58
  5. Step 5: Solve for x
    x = 4,692,945,856.58/68,167.92
  6. Step 6: Final answer
    x = 68,843.91

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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.