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Finding the Fourth Proportional to 270,401.62, 405,571.44 and 70,741.27

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Solution

The fourth proportional to 270,401.62, 405,571.44 and 70,741.27 is: 106,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,401.62 : 405,571.44 = 70,741.27 : x
  2. Step 2: Convert to fraction form
    270,401.62/405,571.44 = 70,741.27/x
  3. Step 3: Cross multiply
    270,401.62x = 405,571.44 × 70,741.27
  4. Step 4: Simplify right side
    270,401.62x = 28,690,640,554.76
  5. Step 5: Solve for x
    x = 28,690,640,554.76/270,401.62
  6. Step 6: Final answer
    x = 106,103.81

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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.