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Finding the Fourth Proportional to 219,883.87, 329,874.17 and 125,158.67

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Solution

The fourth proportional to 219,883.87, 329,874.17 and 125,158.67 is: 187,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,883.87 : 329,874.17 = 125,158.67 : x
  2. Step 2: Convert to fraction form
    219,883.87/329,874.17 = 125,158.67/x
  3. Step 3: Cross multiply
    219,883.87x = 329,874.17 × 125,158.67
  4. Step 4: Simplify right side
    219,883.87x = 41,286,612,050.44
  5. Step 5: Solve for x
    x = 41,286,612,050.44/219,883.87
  6. Step 6: Final answer
    x = 187,765.54

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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.