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Finding the Fourth Proportional to 203,192.50, 304,789.48 and 68,252.71

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Solution

The fourth proportional to 203,192.50, 304,789.48 and 68,252.71 is: 102,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,192.50 : 304,789.48 = 68,252.71 : x
  2. Step 2: Convert to fraction form
    203,192.50/304,789.48 = 68,252.71/x
  3. Step 3: Cross multiply
    203,192.50x = 304,789.48 × 68,252.71
  4. Step 4: Simplify right side
    203,192.50x = 20,802,709,259.65
  5. Step 5: Solve for x
    x = 20,802,709,259.65/203,192.50
  6. Step 6: Final answer
    x = 102,379.31

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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.