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Finding the Fourth Proportional to 220,578.44, 330,867.69 and 54,366.44

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Solution

The fourth proportional to 220,578.44, 330,867.69 and 54,366.44 is: 81,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,578.44 : 330,867.69 = 54,366.44 : x
  2. Step 2: Convert to fraction form
    220,578.44/330,867.69 = 54,366.44/x
  3. Step 3: Cross multiply
    220,578.44x = 330,867.69 × 54,366.44
  4. Step 4: Simplify right side
    220,578.44x = 17,988,097,589.15
  5. Step 5: Solve for x
    x = 17,988,097,589.15/220,578.44
  6. Step 6: Final answer
    x = 81,549.66

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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.