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Finding the Fourth Proportional to 299,033.88, 448,737.57 and 121,540.83

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Solution

The fourth proportional to 299,033.88, 448,737.57 and 121,540.83 is: 182,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,033.88 : 448,737.57 = 121,540.83 : x
  2. Step 2: Convert to fraction form
    299,033.88/448,737.57 = 121,540.83/x
  3. Step 3: Cross multiply
    299,033.88x = 448,737.57 × 121,540.83
  4. Step 4: Simplify right side
    299,033.88x = 54,539,936,709.98
  5. Step 5: Solve for x
    x = 54,539,936,709.98/299,033.88
  6. Step 6: Final answer
    x = 182,387.15

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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.