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Finding the Fourth Proportional to 149,620.56, 206,476.26 and 82,552.56

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Solution

The fourth proportional to 149,620.56, 206,476.26 and 82,552.56 is: 113,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,620.56 : 206,476.26 = 82,552.56 : x
  2. Step 2: Convert to fraction form
    149,620.56/206,476.26 = 82,552.56/x
  3. Step 3: Cross multiply
    149,620.56x = 206,476.26 × 82,552.56
  4. Step 4: Simplify right side
    149,620.56x = 17,045,143,842.23
  5. Step 5: Solve for x
    x = 17,045,143,842.23/149,620.56
  6. Step 6: Final answer
    x = 113,922.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.