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Finding the Fourth Proportional to 147,700.80, 221,551.20 and 140,443.20

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Solution

The fourth proportional to 147,700.80, 221,551.20 and 140,443.20 is: 210,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,700.80 : 221,551.20 = 140,443.20 : x
  2. Step 2: Convert to fraction form
    147,700.80/221,551.20 = 140,443.20/x
  3. Step 3: Cross multiply
    147,700.80x = 221,551.20 × 140,443.20
  4. Step 4: Simplify right side
    147,700.80x = 31,115,359,491.84
  5. Step 5: Solve for x
    x = 31,115,359,491.84/147,700.80
  6. Step 6: Final answer
    x = 210,664.80

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