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Finding the Fourth Proportional to 208,666.94, 313,442.97 and 196,519.37

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Solution

The fourth proportional to 208,666.94, 313,442.97 and 196,519.37 is: 295,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,666.94 : 313,442.97 = 196,519.37 : x
  2. Step 2: Convert to fraction form
    208,666.94/313,442.97 = 196,519.37/x
  3. Step 3: Cross multiply
    208,666.94x = 313,442.97 × 196,519.37
  4. Step 4: Simplify right side
    208,666.94x = 61,597,612,691.17
  5. Step 5: Solve for x
    x = 61,597,612,691.17/208,666.94
  6. Step 6: Final answer
    x = 295,195.85

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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.