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Finding the Fourth Proportional to 207,940.08, 311,693.03 and 150,876.12

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Solution

The fourth proportional to 207,940.08, 311,693.03 and 150,876.12 is: 226,156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,940.08 : 311,693.03 = 150,876.12 : x
  2. Step 2: Convert to fraction form
    207,940.08/311,693.03 = 150,876.12/x
  3. Step 3: Cross multiply
    207,940.08x = 311,693.03 × 150,876.12
  4. Step 4: Simplify right side
    207,940.08x = 47,027,033,438.98
  5. Step 5: Solve for x
    x = 47,027,033,438.98/207,940.08
  6. Step 6: Final answer
    x = 226,156.66

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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.