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Finding the Fourth Proportional to 133,912.53, 200,871.83 and 53,958.54

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Solution

The fourth proportional to 133,912.53, 200,871.83 and 53,958.54 is: 80,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,912.53 : 200,871.83 = 53,958.54 : x
  2. Step 2: Convert to fraction form
    133,912.53/200,871.83 = 53,958.54/x
  3. Step 3: Cross multiply
    133,912.53x = 200,871.83 × 53,958.54
  4. Step 4: Simplify right side
    133,912.53x = 10,838,750,673.93
  5. Step 5: Solve for x
    x = 10,838,750,673.93/133,912.53
  6. Step 6: Final answer
    x = 80,939.03

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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.