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Finding the Fourth Proportional to 117,388,978.20, 176,272,424.10 and 88,667,544.60

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Solution

The fourth proportional to 117,388,978.20, 176,272,424.10 and 88,667,544.60 is: 133,144,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,388,978.20 : 176,272,424.10 = 88,667,544.60 : x
  2. Step 2: Convert to fraction form
    117,388,978.20/176,272,424.10 = 88,667,544.60/x
  3. Step 3: Cross multiply
    117,388,978.20x = 176,272,424.10 × 88,667,544.60
  4. Step 4: Simplify right side
    117,388,978.20x = 15,629,643,025,636,864
  5. Step 5: Solve for x
    x = 15,629,643,025,636,864/117,388,978.20
  6. Step 6: Final answer
    x = 133,144,041.85

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