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Finding the Fourth Proportional to 68,794.36, 103,197 and 29,351.80

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Solution

The fourth proportional to 68,794.36, 103,197 and 29,351.80 is: 44,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,794.36 : 103,197 = 29,351.80 : x
  2. Step 2: Convert to fraction form
    68,794.36/103,197 = 29,351.80/x
  3. Step 3: Cross multiply
    68,794.36x = 103,197 × 29,351.80
  4. Step 4: Simplify right side
    68,794.36x = 3,029,017,704.60
  5. Step 5: Solve for x
    x = 3,029,017,704.60/68,794.36
  6. Step 6: Final answer
    x = 44,030.03

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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.