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Finding the Fourth Proportional to 139,968,759.20, 209,953,138.80 and 63,294,288.80

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Solution

The fourth proportional to 139,968,759.20, 209,953,138.80 and 63,294,288.80 is: 94,941,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,759.20 : 209,953,138.80 = 63,294,288.80 : x
  2. Step 2: Convert to fraction form
    139,968,759.20/209,953,138.80 = 63,294,288.80/x
  3. Step 3: Cross multiply
    139,968,759.20x = 209,953,138.80 × 63,294,288.80
  4. Step 4: Simplify right side
    139,968,759.20x = 13,288,834,601,673,686
  5. Step 5: Solve for x
    x = 13,288,834,601,673,686/139,968,759.20
  6. Step 6: Final answer
    x = 94,941,433.20

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