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Finding the Fourth Proportional to 68,103.66, 102,176.37 and 34,847.37

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Solution

The fourth proportional to 68,103.66, 102,176.37 and 34,847.37 is: 52,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,103.66 : 102,176.37 = 34,847.37 : x
  2. Step 2: Convert to fraction form
    68,103.66/102,176.37 = 34,847.37/x
  3. Step 3: Cross multiply
    68,103.66x = 102,176.37 × 34,847.37
  4. Step 4: Simplify right side
    68,103.66x = 3,560,577,770.65
  5. Step 5: Solve for x
    x = 3,560,577,770.65/68,103.66
  6. Step 6: Final answer
    x = 52,281.74

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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.