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Finding the Fourth Proportional to 220,614.64, 330,878.37 and 60,649.29

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Solution

The fourth proportional to 220,614.64, 330,878.37 and 60,649.29 is: 90,961.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,614.64 : 330,878.37 = 60,649.29 : x
  2. Step 2: Convert to fraction form
    220,614.64/330,878.37 = 60,649.29/x
  3. Step 3: Cross multiply
    220,614.64x = 330,878.37 × 60,649.29
  4. Step 4: Simplify right side
    220,614.64x = 20,067,538,103.14
  5. Step 5: Solve for x
    x = 20,067,538,103.14/220,614.64
  6. Step 6: Final answer
    x = 90,961.95

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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.