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Finding the Fourth Proportional to 412,534.02, 618,801.60 and 113,017.20

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Solution

The fourth proportional to 412,534.02, 618,801.60 and 113,017.20 is: 169,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,534.02 : 618,801.60 = 113,017.20 : x
  2. Step 2: Convert to fraction form
    412,534.02/618,801.60 = 113,017.20/x
  3. Step 3: Cross multiply
    412,534.02x = 618,801.60 × 113,017.20
  4. Step 4: Simplify right side
    412,534.02x = 69,935,224,187.52
  5. Step 5: Solve for x
    x = 69,935,224,187.52/412,534.02
  6. Step 6: Final answer
    x = 169,525.96

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