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Finding the Fourth Proportional to 89,189,997.60, 133,784,996.40 and 89,189,997.60

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Solution

The fourth proportional to 89,189,997.60, 133,784,996.40 and 89,189,997.60 is: 133,784,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,189,997.60 : 133,784,996.40 = 89,189,997.60 : x
  2. Step 2: Convert to fraction form
    89,189,997.60/133,784,996.40 = 89,189,997.60/x
  3. Step 3: Cross multiply
    89,189,997.60x = 133,784,996.40 × 89,189,997.60
  4. Step 4: Simplify right side
    89,189,997.60x = 11,932,283,507,832,008
  5. Step 5: Solve for x
    x = 11,932,283,507,832,008/89,189,997.60
  6. Step 6: Final answer
    x = 133,784,996.40

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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.