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Finding the Fourth Proportional to 194,759.97, 292,172.23 and 68,367.42

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Solution

The fourth proportional to 194,759.97, 292,172.23 and 68,367.42 is: 102,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,759.97 : 292,172.23 = 68,367.42 : x
  2. Step 2: Convert to fraction form
    194,759.97/292,172.23 = 68,367.42/x
  3. Step 3: Cross multiply
    194,759.97x = 292,172.23 × 68,367.42
  4. Step 4: Simplify right side
    194,759.97x = 19,975,061,560.75
  5. Step 5: Solve for x
    x = 19,975,061,560.75/194,759.97
  6. Step 6: Final answer
    x = 102,562.46

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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.