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Finding the Fourth Proportional to 183,172.92, 274,286.22 and 126,422.01

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Solution

The fourth proportional to 183,172.92, 274,286.22 and 126,422.01 is: 189,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,172.92 : 274,286.22 = 126,422.01 : x
  2. Step 2: Convert to fraction form
    183,172.92/274,286.22 = 126,422.01/x
  3. Step 3: Cross multiply
    183,172.92x = 274,286.22 × 126,422.01
  4. Step 4: Simplify right side
    183,172.92x = 34,675,815,247.70
  5. Step 5: Solve for x
    x = 34,675,815,247.70/183,172.92
  6. Step 6: Final answer
    x = 189,306.45

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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.