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Finding the Fourth Proportional to 68,200.62, 102,189.69 and 41,849.70

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Solution

The fourth proportional to 68,200.62, 102,189.69 and 41,849.70 is: 62,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,200.62 : 102,189.69 = 41,849.70 : x
  2. Step 2: Convert to fraction form
    68,200.62/102,189.69 = 41,849.70/x
  3. Step 3: Cross multiply
    68,200.62x = 102,189.69 × 41,849.70
  4. Step 4: Simplify right side
    68,200.62x = 4,276,607,869.59
  5. Step 5: Solve for x
    x = 4,276,607,869.59/68,200.62
  6. Step 6: Final answer
    x = 62,706.29

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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.