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Finding the Fourth Proportional to 215,194.25, 322,843.22 and 67,450.25

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Solution

The fourth proportional to 215,194.25, 322,843.22 and 67,450.25 is: 101,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,194.25 : 322,843.22 = 67,450.25 : x
  2. Step 2: Convert to fraction form
    215,194.25/322,843.22 = 67,450.25/x
  3. Step 3: Cross multiply
    215,194.25x = 322,843.22 × 67,450.25
  4. Step 4: Simplify right side
    215,194.25x = 21,775,855,899.81
  5. Step 5: Solve for x
    x = 21,775,855,899.81/215,194.25
  6. Step 6: Final answer
    x = 101,191.63

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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.