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Finding the Fourth Proportional to 68,626.80, 102,940.20 and 24,253.20

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Solution

The fourth proportional to 68,626.80, 102,940.20 and 24,253.20 is: 36,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,626.80 : 102,940.20 = 24,253.20 : x
  2. Step 2: Convert to fraction form
    68,626.80/102,940.20 = 24,253.20/x
  3. Step 3: Cross multiply
    68,626.80x = 102,940.20 × 24,253.20
  4. Step 4: Simplify right side
    68,626.80x = 2,496,629,258.64
  5. Step 5: Solve for x
    x = 2,496,629,258.64/68,626.80
  6. Step 6: Final answer
    x = 36,379.80

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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.