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Finding the Fourth Proportional to 123,796.40, 170,664.48 and 87,973.34

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Solution

The fourth proportional to 123,796.40, 170,664.48 and 87,973.34 is: 121,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,796.40 : 170,664.48 = 87,973.34 : x
  2. Step 2: Convert to fraction form
    123,796.40/170,664.48 = 87,973.34/x
  3. Step 3: Cross multiply
    123,796.40x = 170,664.48 × 87,973.34
  4. Step 4: Simplify right side
    123,796.40x = 15,013,923,471.64
  5. Step 5: Solve for x
    x = 15,013,923,471.64/123,796.40
  6. Step 6: Final answer
    x = 121,279.17

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