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Finding the Fourth Proportional to 213,672.26, 294,876.63 and 123,025.97

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Solution

The fourth proportional to 213,672.26, 294,876.63 and 123,025.97 is: 169,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,672.26 : 294,876.63 = 123,025.97 : x
  2. Step 2: Convert to fraction form
    213,672.26/294,876.63 = 123,025.97/x
  3. Step 3: Cross multiply
    213,672.26x = 294,876.63 × 123,025.97
  4. Step 4: Simplify right side
    213,672.26x = 36,277,481,961.70
  5. Step 5: Solve for x
    x = 36,277,481,961.70/213,672.26
  6. Step 6: Final answer
    x = 169,780.97

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1.5x scale

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.