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Finding the Fourth Proportional to 269,568,015.90, 404,352,023.85 and 160,728,899.10

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Solution

The fourth proportional to 269,568,015.90, 404,352,023.85 and 160,728,899.10 is: 241,093,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568,015.90 : 404,352,023.85 = 160,728,899.10 : x
  2. Step 2: Convert to fraction form
    269,568,015.90/404,352,023.85 = 160,728,899.10/x
  3. Step 3: Cross multiply
    269,568,015.90x = 404,352,023.85 × 160,728,899.10
  4. Step 4: Simplify right side
    269,568,015.90x = 64,991,055,642,267,448
  5. Step 5: Solve for x
    x = 64,991,055,642,267,448/269,568,015.90
  6. Step 6: Final answer
    x = 241,093,348.65

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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.