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Finding the Fourth Proportional to 159,552.20, 239,522.70 and 80,625.80

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Solution

The fourth proportional to 159,552.20, 239,522.70 and 80,625.80 is: 121,036.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,552.20 : 239,522.70 = 80,625.80 : x
  2. Step 2: Convert to fraction form
    159,552.20/239,522.70 = 80,625.80/x
  3. Step 3: Cross multiply
    159,552.20x = 239,522.70 × 80,625.80
  4. Step 4: Simplify right side
    159,552.20x = 19,311,709,305.66
  5. Step 5: Solve for x
    x = 19,311,709,305.66/159,552.20
  6. Step 6: Final answer
    x = 121,036.94

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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.