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Finding the Fourth Proportional to 133,857.81, 200,793.37 and 43,909.59

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Solution

The fourth proportional to 133,857.81, 200,793.37 and 43,909.59 is: 65,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,857.81 : 200,793.37 = 43,909.59 : x
  2. Step 2: Convert to fraction form
    133,857.81/200,793.37 = 43,909.59/x
  3. Step 3: Cross multiply
    133,857.81x = 200,793.37 × 43,909.59
  4. Step 4: Simplify right side
    133,857.81x = 8,816,754,551.42
  5. Step 5: Solve for x
    x = 8,816,754,551.42/133,857.81
  6. Step 6: Final answer
    x = 65,866.57

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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.