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Finding the Fourth Proportional to 568,691.43, 853,039.58 and 147,936.93

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Solution

The fourth proportional to 568,691.43, 853,039.58 and 147,936.93 is: 221,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,691.43 : 853,039.58 = 147,936.93 : x
  2. Step 2: Convert to fraction form
    568,691.43/853,039.58 = 147,936.93/x
  3. Step 3: Cross multiply
    568,691.43x = 853,039.58 × 147,936.93
  4. Step 4: Simplify right side
    568,691.43x = 126,196,055,894.01
  5. Step 5: Solve for x
    x = 126,196,055,894.01/568,691.43
  6. Step 6: Final answer
    x = 221,906.03

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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.