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Finding the Fourth Proportional to 194,744.62, 292,244.65 and 68,381.61

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Solution

The fourth proportional to 194,744.62, 292,244.65 and 68,381.61 is: 102,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,744.62 : 292,244.65 = 68,381.61 : x
  2. Step 2: Convert to fraction form
    194,744.62/292,244.65 = 68,381.61/x
  3. Step 3: Cross multiply
    194,744.62x = 292,244.65 × 68,381.61
  4. Step 4: Simplify right side
    194,744.62x = 19,984,158,414.02
  5. Step 5: Solve for x
    x = 19,984,158,414.02/194,744.62
  6. Step 6: Final answer
    x = 102,617.25

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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.