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Finding the Fourth Proportional to 133,781.91, 200,672.46 and 33,941.93

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Solution

The fourth proportional to 133,781.91, 200,672.46 and 33,941.93 is: 50,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,781.91 : 200,672.46 = 33,941.93 : x
  2. Step 2: Convert to fraction form
    133,781.91/200,672.46 = 33,941.93/x
  3. Step 3: Cross multiply
    133,781.91x = 200,672.46 × 33,941.93
  4. Step 4: Simplify right side
    133,781.91x = 6,811,209,586.89
  5. Step 5: Solve for x
    x = 6,811,209,586.89/133,781.91
  6. Step 6: Final answer
    x = 50,912.78

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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.