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Finding the Fourth Proportional to 104,009.40, 156,362.13 and 82,087.02

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Solution

The fourth proportional to 104,009.40, 156,362.13 and 82,087.02 is: 123,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,009.40 : 156,362.13 = 82,087.02 : x
  2. Step 2: Convert to fraction form
    104,009.40/156,362.13 = 82,087.02/x
  3. Step 3: Cross multiply
    104,009.40x = 156,362.13 × 82,087.02
  4. Step 4: Simplify right side
    104,009.40x = 12,835,301,292.55
  5. Step 5: Solve for x
    x = 12,835,301,292.55/104,009.40
  6. Step 6: Final answer
    x = 123,405.20

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