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Finding the Fourth Proportional to 207,348.02, 311,007.44 and 80,964.52

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Solution

The fourth proportional to 207,348.02, 311,007.44 and 80,964.52 is: 121,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,348.02 : 311,007.44 = 80,964.52 : x
  2. Step 2: Convert to fraction form
    207,348.02/311,007.44 = 80,964.52/x
  3. Step 3: Cross multiply
    207,348.02x = 311,007.44 × 80,964.52
  4. Step 4: Simplify right side
    207,348.02x = 25,180,568,096.03
  5. Step 5: Solve for x
    x = 25,180,568,096.03/207,348.02
  6. Step 6: Final answer
    x = 121,441.08

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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.