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Finding the Fourth Proportional to 111,458.59, 167,059.13 and 51,361.40

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Solution

The fourth proportional to 111,458.59, 167,059.13 and 51,361.40 is: 76,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,458.59 : 167,059.13 = 51,361.40 : x
  2. Step 2: Convert to fraction form
    111,458.59/167,059.13 = 51,361.40/x
  3. Step 3: Cross multiply
    111,458.59x = 167,059.13 × 51,361.40
  4. Step 4: Simplify right side
    111,458.59x = 8,580,390,542.78
  5. Step 5: Solve for x
    x = 8,580,390,542.78/111,458.59
  6. Step 6: Final answer
    x = 76,982.77

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