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Finding the Fourth Proportional to 199,838.88, 299,906.15 and 94,658.09

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Solution

The fourth proportional to 199,838.88, 299,906.15 and 94,658.09 is: 142,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,838.88 : 299,906.15 = 94,658.09 : x
  2. Step 2: Convert to fraction form
    199,838.88/299,906.15 = 94,658.09/x
  3. Step 3: Cross multiply
    199,838.88x = 299,906.15 × 94,658.09
  4. Step 4: Simplify right side
    199,838.88x = 28,388,541,365.43
  5. Step 5: Solve for x
    x = 28,388,541,365.43/199,838.88
  6. Step 6: Final answer
    x = 142,057.15

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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.