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Finding the Fourth Proportional to 115,448.40, 173,172.60 and 70,930.80

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Solution

The fourth proportional to 115,448.40, 173,172.60 and 70,930.80 is: 106,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,448.40 : 173,172.60 = 70,930.80 : x
  2. Step 2: Convert to fraction form
    115,448.40/173,172.60 = 70,930.80/x
  3. Step 3: Cross multiply
    115,448.40x = 173,172.60 × 70,930.80
  4. Step 4: Simplify right side
    115,448.40x = 12,283,271,056.08
  5. Step 5: Solve for x
    x = 12,283,271,056.08/115,448.40
  6. Step 6: Final answer
    x = 106,396.20

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