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Finding the Fourth Proportional to 178,252.05, 267,198.05 and 111,738.80

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Solution

The fourth proportional to 178,252.05, 267,198.05 and 111,738.80 is: 167,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,252.05 : 267,198.05 = 111,738.80 : x
  2. Step 2: Convert to fraction form
    178,252.05/267,198.05 = 111,738.80/x
  3. Step 3: Cross multiply
    178,252.05x = 267,198.05 × 111,738.80
  4. Step 4: Simplify right side
    178,252.05x = 29,856,388,910.65
  5. Step 5: Solve for x
    x = 29,856,388,910.65/178,252.05
  6. Step 6: Final answer
    x = 167,495.35

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1.5x scale

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.