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Finding the Fourth Proportional to 141,614.28, 212,487 and 75,085.74

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Solution

The fourth proportional to 141,614.28, 212,487 and 75,085.74 is: 112,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,614.28 : 212,487 = 75,085.74 : x
  2. Step 2: Convert to fraction form
    141,614.28/212,487 = 75,085.74/x
  3. Step 3: Cross multiply
    141,614.28x = 212,487 × 75,085.74
  4. Step 4: Simplify right side
    141,614.28x = 15,954,743,635.38
  5. Step 5: Solve for x
    x = 15,954,743,635.38/141,614.28
  6. Step 6: Final answer
    x = 112,663.38

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