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Finding the Fourth Proportional to 367,954.56, 551,759.04 and 131,201.28

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Solution

The fourth proportional to 367,954.56, 551,759.04 and 131,201.28 is: 196,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,954.56 : 551,759.04 = 131,201.28 : x
  2. Step 2: Convert to fraction form
    367,954.56/551,759.04 = 131,201.28/x
  3. Step 3: Cross multiply
    367,954.56x = 551,759.04 × 131,201.28
  4. Step 4: Simplify right side
    367,954.56x = 72,391,492,299.57
  5. Step 5: Solve for x
    x = 72,391,492,299.57/367,954.56
  6. Step 6: Final answer
    x = 196,740.30

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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.