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Finding the Fourth Proportional to 159,404.97, 219,912.83 and 94,861.27

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Solution

The fourth proportional to 159,404.97, 219,912.83 and 94,861.27 is: 130,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,404.97 : 219,912.83 = 94,861.27 : x
  2. Step 2: Convert to fraction form
    159,404.97/219,912.83 = 94,861.27/x
  3. Step 3: Cross multiply
    159,404.97x = 219,912.83 × 94,861.27
  4. Step 4: Simplify right side
    159,404.97x = 20,861,209,868.79
  5. Step 5: Solve for x
    x = 20,861,209,868.79/159,404.97
  6. Step 6: Final answer
    x = 130,869.26

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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.