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Finding the Fourth Proportional to 180,931.66, 271,318.29 and 74,242.42

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Solution

The fourth proportional to 180,931.66, 271,318.29 and 74,242.42 is: 111,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,931.66 : 271,318.29 = 74,242.42 : x
  2. Step 2: Convert to fraction form
    180,931.66/271,318.29 = 74,242.42/x
  3. Step 3: Cross multiply
    180,931.66x = 271,318.29 × 74,242.42
  4. Step 4: Simplify right side
    180,931.66x = 20,143,326,439.86
  5. Step 5: Solve for x
    x = 20,143,326,439.86/180,931.66
  6. Step 6: Final answer
    x = 111,331.13

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