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Finding the Fourth Proportional to 206,012.22, 309,066.52 and 63,850.06

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Solution

The fourth proportional to 206,012.22, 309,066.52 and 63,850.06 is: 95,790.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,012.22 : 309,066.52 = 63,850.06 : x
  2. Step 2: Convert to fraction form
    206,012.22/309,066.52 = 63,850.06/x
  3. Step 3: Cross multiply
    206,012.22x = 309,066.52 × 63,850.06
  4. Step 4: Simplify right side
    206,012.22x = 19,733,915,845.99
  5. Step 5: Solve for x
    x = 19,733,915,845.99/206,012.22
  6. Step 6: Final answer
    x = 95,790.03

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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.