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Finding the Fourth Proportional to 195,234.57, 292,799.31 and 68,858.42

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Solution

The fourth proportional to 195,234.57, 292,799.31 and 68,858.42 is: 103,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,234.57 : 292,799.31 = 68,858.42 : x
  2. Step 2: Convert to fraction form
    195,234.57/292,799.31 = 68,858.42/x
  3. Step 3: Cross multiply
    195,234.57x = 292,799.31 × 68,858.42
  4. Step 4: Simplify right side
    195,234.57x = 20,161,696,399.69
  5. Step 5: Solve for x
    x = 20,161,696,399.69/195,234.57
  6. Step 6: Final answer
    x = 103,269.09

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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.