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Finding the Fourth Proportional to 220,496.04, 330,745.88 and 70,736.56

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Solution

The fourth proportional to 220,496.04, 330,745.88 and 70,736.56 is: 106,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,496.04 : 330,745.88 = 70,736.56 : x
  2. Step 2: Convert to fraction form
    220,496.04/330,745.88 = 70,736.56/x
  3. Step 3: Cross multiply
    220,496.04x = 330,745.88 × 70,736.56
  4. Step 4: Simplify right side
    220,496.04x = 23,395,825,135.35
  5. Step 5: Solve for x
    x = 23,395,825,135.35/220,496.04
  6. Step 6: Final answer
    x = 106,105.42

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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.