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Finding the Fourth Proportional to 68,600.92, 103,073.58 and 43,651.80

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Solution

The fourth proportional to 68,600.92, 103,073.58 and 43,651.80 is: 65,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,600.92 : 103,073.58 = 43,651.80 : x
  2. Step 2: Convert to fraction form
    68,600.92/103,073.58 = 43,651.80/x
  3. Step 3: Cross multiply
    68,600.92x = 103,073.58 × 43,651.80
  4. Step 4: Simplify right side
    68,600.92x = 4,499,347,299.44
  5. Step 5: Solve for x
    x = 4,499,347,299.44/68,600.92
  6. Step 6: Final answer
    x = 65,587.27

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1.5x scale

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.