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Finding the Fourth Proportional to 168,501,906.10, 252,752,859.15 and 168,501,906.10

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Solution

The fourth proportional to 168,501,906.10, 252,752,859.15 and 168,501,906.10 is: 252,752,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,501,906.10 : 252,752,859.15 = 168,501,906.10 : x
  2. Step 2: Convert to fraction form
    168,501,906.10/252,752,859.15 = 168,501,906.10/x
  3. Step 3: Cross multiply
    168,501,906.10x = 252,752,859.15 × 168,501,906.10
  4. Step 4: Simplify right side
    168,501,906.10x = 42,589,338,538,999,824
  5. Step 5: Solve for x
    x = 42,589,338,538,999,824/168,501,906.10
  6. Step 6: Final answer
    x = 252,752,859.15

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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.