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Finding the Fourth Proportional to 165,712.84, 228,610.92 and 111,978.28

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Solution

The fourth proportional to 165,712.84, 228,610.92 and 111,978.28 is: 154,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,712.84 : 228,610.92 = 111,978.28 : x
  2. Step 2: Convert to fraction form
    165,712.84/228,610.92 = 111,978.28/x
  3. Step 3: Cross multiply
    165,712.84x = 228,610.92 × 111,978.28
  4. Step 4: Simplify right side
    165,712.84x = 25,599,457,610.82
  5. Step 5: Solve for x
    x = 25,599,457,610.82/165,712.84
  6. Step 6: Final answer
    x = 154,480.83

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