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Finding the Fourth Proportional to 68,297.20, 102,551.40 and 37,193.20

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Solution

The fourth proportional to 68,297.20, 102,551.40 and 37,193.20 is: 55,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,297.20 : 102,551.40 = 37,193.20 : x
  2. Step 2: Convert to fraction form
    68,297.20/102,551.40 = 37,193.20/x
  3. Step 3: Cross multiply
    68,297.20x = 102,551.40 × 37,193.20
  4. Step 4: Simplify right side
    68,297.20x = 3,814,214,730.48
  5. Step 5: Solve for x
    x = 3,814,214,730.48/68,297.20
  6. Step 6: Final answer
    x = 55,847.31

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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.