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Finding the Fourth Proportional to 159,627.78, 239,441.67 and 41,311.08

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Solution

The fourth proportional to 159,627.78, 239,441.67 and 41,311.08 is: 61,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,627.78 : 239,441.67 = 41,311.08 : x
  2. Step 2: Convert to fraction form
    159,627.78/239,441.67 = 41,311.08/x
  3. Step 3: Cross multiply
    159,627.78x = 239,441.67 × 41,311.08
  4. Step 4: Simplify right side
    159,627.78x = 9,891,593,984.70
  5. Step 5: Solve for x
    x = 9,891,593,984.70/159,627.78
  6. Step 6: Final answer
    x = 61,966.62

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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.