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Finding the Fourth Proportional to 220,494.17, 330,723.29 and 70,694.12

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Solution

The fourth proportional to 220,494.17, 330,723.29 and 70,694.12 is: 106,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,494.17 : 330,723.29 = 70,694.12 : x
  2. Step 2: Convert to fraction form
    220,494.17/330,723.29 = 70,694.12/x
  3. Step 3: Cross multiply
    220,494.17x = 330,723.29 × 70,694.12
  4. Step 4: Simplify right side
    220,494.17x = 23,380,189,942.97
  5. Step 5: Solve for x
    x = 23,380,189,942.97/220,494.17
  6. Step 6: Final answer
    x = 106,035.41

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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.