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Finding the Fourth Proportional to 68,600.48, 102,739.44 and 33,429.92

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Solution

The fourth proportional to 68,600.48, 102,739.44 and 33,429.92 is: 50,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,600.48 : 102,739.44 = 33,429.92 : x
  2. Step 2: Convert to fraction form
    68,600.48/102,739.44 = 33,429.92/x
  3. Step 3: Cross multiply
    68,600.48x = 102,739.44 × 33,429.92
  4. Step 4: Simplify right side
    68,600.48x = 3,434,571,260.04
  5. Step 5: Solve for x
    x = 3,434,571,260.04/68,600.48
  6. Step 6: Final answer
    x = 50,066.29

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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.