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Finding the Fourth Proportional to 194,912.66, 292,393.59 and 68,523.20

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Solution

The fourth proportional to 194,912.66, 292,393.59 and 68,523.20 is: 102,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,912.66 : 292,393.59 = 68,523.20 : x
  2. Step 2: Convert to fraction form
    194,912.66/292,393.59 = 68,523.20/x
  3. Step 3: Cross multiply
    194,912.66x = 292,393.59 × 68,523.20
  4. Step 4: Simplify right side
    194,912.66x = 20,035,744,446.29
  5. Step 5: Solve for x
    x = 20,035,744,446.29/194,912.66
  6. Step 6: Final answer
    x = 102,793.45

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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.