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Finding the Fourth Proportional to 194,797.17, 292,212.45 and 68,426.43

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Solution

The fourth proportional to 194,797.17, 292,212.45 and 68,426.43 is: 102,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,797.17 : 292,212.45 = 68,426.43 : x
  2. Step 2: Convert to fraction form
    194,797.17/292,212.45 = 68,426.43/x
  3. Step 3: Cross multiply
    194,797.17x = 292,212.45 × 68,426.43
  4. Step 4: Simplify right side
    194,797.17x = 19,995,054,755.05
  5. Step 5: Solve for x
    x = 19,995,054,755.05/194,797.17
  6. Step 6: Final answer
    x = 102,645.51

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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.