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Finding the Fourth Proportional to 135,866.64, 203,734.40 and 56,959.68

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Solution

The fourth proportional to 135,866.64, 203,734.40 and 56,959.68 is: 85,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,866.64 : 203,734.40 = 56,959.68 : x
  2. Step 2: Convert to fraction form
    135,866.64/203,734.40 = 56,959.68/x
  3. Step 3: Cross multiply
    135,866.64x = 203,734.40 × 56,959.68
  4. Step 4: Simplify right side
    135,866.64x = 11,604,645,944.19
  5. Step 5: Solve for x
    x = 11,604,645,944.19/135,866.64
  6. Step 6: Final answer
    x = 85,412.03

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