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Finding the Fourth Proportional to 209,842,706.40, 314,764,059.60 and 73,510,375.20

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Solution

The fourth proportional to 209,842,706.40, 314,764,059.60 and 73,510,375.20 is: 110,265,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,842,706.40 : 314,764,059.60 = 73,510,375.20 : x
  2. Step 2: Convert to fraction form
    209,842,706.40/314,764,059.60 = 73,510,375.20/x
  3. Step 3: Cross multiply
    209,842,706.40x = 314,764,059.60 × 73,510,375.20
  4. Step 4: Simplify right side
    209,842,706.40x = 23,138,424,120,671,164
  5. Step 5: Solve for x
    x = 23,138,424,120,671,164/209,842,706.40
  6. Step 6: Final answer
    x = 110,265,562.80

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