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Finding the Fourth Proportional to 64,903.28, 97,365.04 and 20,525.81

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Solution

The fourth proportional to 64,903.28, 97,365.04 and 20,525.81 is: 30,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,903.28 : 97,365.04 = 20,525.81 : x
  2. Step 2: Convert to fraction form
    64,903.28/97,365.04 = 20,525.81/x
  3. Step 3: Cross multiply
    64,903.28x = 97,365.04 × 20,525.81
  4. Step 4: Simplify right side
    64,903.28x = 1,998,495,773.54
  5. Step 5: Solve for x
    x = 1,998,495,773.54/64,903.28
  6. Step 6: Final answer
    x = 30,791.91

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