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Finding the Fourth Proportional to 373,835.72, 560,615.06 and 133,912.22

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Solution

The fourth proportional to 373,835.72, 560,615.06 and 133,912.22 is: 200,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,835.72 : 560,615.06 = 133,912.22 : x
  2. Step 2: Convert to fraction form
    373,835.72/560,615.06 = 133,912.22/x
  3. Step 3: Cross multiply
    373,835.72x = 560,615.06 × 133,912.22
  4. Step 4: Simplify right side
    373,835.72x = 75,073,207,250.03
  5. Step 5: Solve for x
    x = 75,073,207,250.03/373,835.72
  6. Step 6: Final answer
    x = 200,818.71

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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.