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Finding the Fourth Proportional to 158,614.70, 218,773.53 and 134,703.50

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Solution

The fourth proportional to 158,614.70, 218,773.53 and 134,703.50 is: 185,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,614.70 : 218,773.53 = 134,703.50 : x
  2. Step 2: Convert to fraction form
    158,614.70/218,773.53 = 134,703.50/x
  3. Step 3: Cross multiply
    158,614.70x = 218,773.53 × 134,703.50
  4. Step 4: Simplify right side
    158,614.70x = 29,469,560,198.36
  5. Step 5: Solve for x
    x = 29,469,560,198.36/158,614.70
  6. Step 6: Final answer
    x = 185,793.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.