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Finding the Fourth Proportional to 226,745.52, 340,106.12 and 68,961.67

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Solution

The fourth proportional to 226,745.52, 340,106.12 and 68,961.67 is: 103,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,745.52 : 340,106.12 = 68,961.67 : x
  2. Step 2: Convert to fraction form
    226,745.52/340,106.12 = 68,961.67/x
  3. Step 3: Cross multiply
    226,745.52x = 340,106.12 × 68,961.67
  4. Step 4: Simplify right side
    226,745.52x = 23,454,286,012.42
  5. Step 5: Solve for x
    x = 23,454,286,012.42/226,745.52
  6. Step 6: Final answer
    x = 103,438.81

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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.