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Finding the Fourth Proportional to 133,755.98, 200,575.65 and 50,591.66

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Solution

The fourth proportional to 133,755.98, 200,575.65 and 50,591.66 is: 75,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,755.98 : 200,575.65 = 50,591.66 : x
  2. Step 2: Convert to fraction form
    133,755.98/200,575.65 = 50,591.66/x
  3. Step 3: Cross multiply
    133,755.98x = 200,575.65 × 50,591.66
  4. Step 4: Simplify right side
    133,755.98x = 10,147,455,089.08
  5. Step 5: Solve for x
    x = 10,147,455,089.08/133,755.98
  6. Step 6: Final answer
    x = 75,865.43

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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.