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Finding the Fourth Proportional to 220,797.11, 330,974.22 and 102,551.49

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Solution

The fourth proportional to 220,797.11, 330,974.22 and 102,551.49 is: 153,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,797.11 : 330,974.22 = 102,551.49 : x
  2. Step 2: Convert to fraction form
    220,797.11/330,974.22 = 102,551.49/x
  3. Step 3: Cross multiply
    220,797.11x = 330,974.22 × 102,551.49
  4. Step 4: Simplify right side
    220,797.11x = 33,941,899,412.59
  5. Step 5: Solve for x
    x = 33,941,899,412.59/220,797.11
  6. Step 6: Final answer
    x = 153,724.38

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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.