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Finding the Fourth Proportional to 147,617.40, 221,274.90 and 72,622.20

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Solution

The fourth proportional to 147,617.40, 221,274.90 and 72,622.20 is: 108,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,617.40 : 221,274.90 = 72,622.20 : x
  2. Step 2: Convert to fraction form
    147,617.40/221,274.90 = 72,622.20/x
  3. Step 3: Cross multiply
    147,617.40x = 221,274.90 × 72,622.20
  4. Step 4: Simplify right side
    147,617.40x = 16,069,470,042.78
  5. Step 5: Solve for x
    x = 16,069,470,042.78/147,617.40
  6. Step 6: Final answer
    x = 108,858.92

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