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Finding the Fourth Proportional to 226,506.85, 339,762.32 and 68,735.30

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Solution

The fourth proportional to 226,506.85, 339,762.32 and 68,735.30 is: 103,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,506.85 : 339,762.32 = 68,735.30 : x
  2. Step 2: Convert to fraction form
    226,506.85/339,762.32 = 68,735.30/x
  3. Step 3: Cross multiply
    226,506.85x = 339,762.32 × 68,735.30
  4. Step 4: Simplify right side
    226,506.85x = 23,353,664,993.90
  5. Step 5: Solve for x
    x = 23,353,664,993.90/226,506.85
  6. Step 6: Final answer
    x = 103,103.57

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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.