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Finding the Fourth Proportional to 207,469.14, 310,912.11 and 118,589.46

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Solution

The fourth proportional to 207,469.14, 310,912.11 and 118,589.46 is: 177,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,469.14 : 310,912.11 = 118,589.46 : x
  2. Step 2: Convert to fraction form
    207,469.14/310,912.11 = 118,589.46/x
  3. Step 3: Cross multiply
    207,469.14x = 310,912.11 × 118,589.46
  4. Step 4: Simplify right side
    207,469.14x = 36,870,899,232.36
  5. Step 5: Solve for x
    x = 36,870,899,232.36/207,469.14
  6. Step 6: Final answer
    x = 177,717.51

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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.