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Finding the Fourth Proportional to 76,664,585.80, 114,996,878.70 and 46,431,497.80

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Solution

The fourth proportional to 76,664,585.80, 114,996,878.70 and 46,431,497.80 is: 69,647,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,664,585.80 : 114,996,878.70 = 46,431,497.80 : x
  2. Step 2: Convert to fraction form
    76,664,585.80/114,996,878.70 = 46,431,497.80/x
  3. Step 3: Cross multiply
    76,664,585.80x = 114,996,878.70 × 46,431,497.80
  4. Step 4: Simplify right side
    76,664,585.80x = 5,339,477,320,365,917
  5. Step 5: Solve for x
    x = 5,339,477,320,365,917/76,664,585.80
  6. Step 6: Final answer
    x = 69,647,246.70

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