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Finding the Fourth Proportional to 168,401,231.65, 252,601,847.48 and 168,401,231.65

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Solution

The fourth proportional to 168,401,231.65, 252,601,847.48 and 168,401,231.65 is: 252,601,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,401,231.65 : 252,601,847.48 = 168,401,231.65 : x
  2. Step 2: Convert to fraction form
    168,401,231.65/252,601,847.48 = 168,401,231.65/x
  3. Step 3: Cross multiply
    168,401,231.65x = 252,601,847.48 × 168,401,231.65
  4. Step 4: Simplify right side
    168,401,231.65x = 42,538,462,232,697,448
  5. Step 5: Solve for x
    x = 42,538,462,232,697,448/168,401,231.65
  6. Step 6: Final answer
    x = 252,601,847.48

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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.