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Finding the Fourth Proportional to 159,903.72, 239,833.62 and 47,601.27

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Solution

The fourth proportional to 159,903.72, 239,833.62 and 47,601.27 is: 71,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,903.72 : 239,833.62 = 47,601.27 : x
  2. Step 2: Convert to fraction form
    159,903.72/239,833.62 = 47,601.27/x
  3. Step 3: Cross multiply
    159,903.72x = 239,833.62 × 47,601.27
  4. Step 4: Simplify right side
    159,903.72x = 11,416,384,900.70
  5. Step 5: Solve for x
    x = 11,416,384,900.70/159,903.72
  6. Step 6: Final answer
    x = 71,395.37

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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.