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Finding the Fourth Proportional to 220,566.54, 330,882.62 and 102,249.84

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Solution

The fourth proportional to 220,566.54, 330,882.62 and 102,249.84 is: 153,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,566.54 : 330,882.62 = 102,249.84 : x
  2. Step 2: Convert to fraction form
    220,566.54/330,882.62 = 102,249.84/x
  3. Step 3: Cross multiply
    220,566.54x = 330,882.62 × 102,249.84
  4. Step 4: Simplify right side
    220,566.54x = 33,832,694,953.78
  5. Step 5: Solve for x
    x = 33,832,694,953.78/220,566.54
  6. Step 6: Final answer
    x = 153,389.97

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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.