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Finding the Fourth Proportional to 71,260,868.40, 106,891,302.60 and 61,057,201.20

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Solution

The fourth proportional to 71,260,868.40, 106,891,302.60 and 61,057,201.20 is: 91,585,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,260,868.40 : 106,891,302.60 = 61,057,201.20 : x
  2. Step 2: Convert to fraction form
    71,260,868.40/106,891,302.60 = 61,057,201.20/x
  3. Step 3: Cross multiply
    71,260,868.40x = 106,891,302.60 × 61,057,201.20
  4. Step 4: Simplify right side
    71,260,868.40x = 6,526,483,769,378,283
  5. Step 5: Solve for x
    x = 6,526,483,769,378,283/71,260,868.40
  6. Step 6: Final answer
    x = 91,585,801.80

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