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Finding the Fourth Proportional to 91,109,499.80, 136,664,249.70 and 91,109,499.80

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Solution

The fourth proportional to 91,109,499.80, 136,664,249.70 and 91,109,499.80 is: 136,664,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,109,499.80 : 136,664,249.70 = 91,109,499.80 : x
  2. Step 2: Convert to fraction form
    91,109,499.80/136,664,249.70 = 91,109,499.80/x
  3. Step 3: Cross multiply
    91,109,499.80x = 136,664,249.70 × 91,109,499.80
  4. Step 4: Simplify right side
    91,109,499.80x = 12,451,411,430,709,298
  5. Step 5: Solve for x
    x = 12,451,411,430,709,298/91,109,499.80
  6. Step 6: Final answer
    x = 136,664,249.70

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