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Finding the Fourth Proportional to 159,496.91, 239,019.67 and 88,450.80

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Solution

The fourth proportional to 159,496.91, 239,019.67 and 88,450.80 is: 132,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,496.91 : 239,019.67 = 88,450.80 : x
  2. Step 2: Convert to fraction form
    159,496.91/239,019.67 = 88,450.80/x
  3. Step 3: Cross multiply
    159,496.91x = 239,019.67 × 88,450.80
  4. Step 4: Simplify right side
    159,496.91x = 21,141,481,027.24
  5. Step 5: Solve for x
    x = 21,141,481,027.24/159,496.91
  6. Step 6: Final answer
    x = 132,551.04

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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.