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Finding the Fourth Proportional to 207,546.44, 311,363.39 and 67,294.13

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Solution

The fourth proportional to 207,546.44, 311,363.39 and 67,294.13 is: 100,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,546.44 : 311,363.39 = 67,294.13 : x
  2. Step 2: Convert to fraction form
    207,546.44/311,363.39 = 67,294.13/x
  3. Step 3: Cross multiply
    207,546.44x = 311,363.39 × 67,294.13
  4. Step 4: Simplify right side
    207,546.44x = 20,952,927,055.32
  5. Step 5: Solve for x
    x = 20,952,927,055.32/207,546.44
  6. Step 6: Final answer
    x = 100,955.37

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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.