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Finding the Fourth Proportional to 269,899.43, 404,906.22 and 101,421.23

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Solution

The fourth proportional to 269,899.43, 404,906.22 and 101,421.23 is: 152,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,899.43 : 404,906.22 = 101,421.23 : x
  2. Step 2: Convert to fraction form
    269,899.43/404,906.22 = 101,421.23/x
  3. Step 3: Cross multiply
    269,899.43x = 404,906.22 × 101,421.23
  4. Step 4: Simplify right side
    269,899.43x = 41,066,084,842.52
  5. Step 5: Solve for x
    x = 41,066,084,842.52/269,899.43
  6. Step 6: Final answer
    x = 152,153.29

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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.