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Finding the Fourth Proportional to 207,702.56, 311,553.72 and 49,930.97

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Solution

The fourth proportional to 207,702.56, 311,553.72 and 49,930.97 is: 74,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,702.56 : 311,553.72 = 49,930.97 : x
  2. Step 2: Convert to fraction form
    207,702.56/311,553.72 = 49,930.97/x
  3. Step 3: Cross multiply
    207,702.56x = 311,553.72 × 49,930.97
  4. Step 4: Simplify right side
    207,702.56x = 15,556,177,888.94
  5. Step 5: Solve for x
    x = 15,556,177,888.94/207,702.56
  6. Step 6: Final answer
    x = 74,896.42

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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.