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Finding the Fourth Proportional to 135,923.70, 203,914.73 and 52,817.70

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Solution

The fourth proportional to 135,923.70, 203,914.73 and 52,817.70 is: 79,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,923.70 : 203,914.73 = 52,817.70 : x
  2. Step 2: Convert to fraction form
    135,923.70/203,914.73 = 52,817.70/x
  3. Step 3: Cross multiply
    135,923.70x = 203,914.73 × 52,817.70
  4. Step 4: Simplify right side
    135,923.70x = 10,770,307,034.72
  5. Step 5: Solve for x
    x = 10,770,307,034.72/135,923.70
  6. Step 6: Final answer
    x = 79,237.89

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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.