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Finding the Fourth Proportional to 114,728.81, 158,270.57 and 74,455.21

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Solution

The fourth proportional to 114,728.81, 158,270.57 and 74,455.21 is: 102,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,728.81 : 158,270.57 = 74,455.21 : x
  2. Step 2: Convert to fraction form
    114,728.81/158,270.57 = 74,455.21/x
  3. Step 3: Cross multiply
    114,728.81x = 158,270.57 × 74,455.21
  4. Step 4: Simplify right side
    114,728.81x = 11,784,068,526.17
  5. Step 5: Solve for x
    x = 11,784,068,526.17/114,728.81
  6. Step 6: Final answer
    x = 102,712.37

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