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Finding the Fourth Proportional to 104,975,998.20, 157,463,997.30 and 104,975,998.20

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Solution

The fourth proportional to 104,975,998.20, 157,463,997.30 and 104,975,998.20 is: 157,463,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,975,998.20 : 157,463,997.30 = 104,975,998.20 : x
  2. Step 2: Convert to fraction form
    104,975,998.20/157,463,997.30 = 104,975,998.20/x
  3. Step 3: Cross multiply
    104,975,998.20x = 157,463,997.30 × 104,975,998.20
  4. Step 4: Simplify right side
    104,975,998.20x = 16,529,940,297,129,606
  5. Step 5: Solve for x
    x = 16,529,940,297,129,606/104,975,998.20
  6. Step 6: Final answer
    x = 157,463,997.30

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Similar ratio
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1.5x scale

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.