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Finding the Fourth Proportional to 89,251.18, 133,811.16 and 42,536.86

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Solution

The fourth proportional to 89,251.18, 133,811.16 and 42,536.86 is: 63,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,251.18 : 133,811.16 = 42,536.86 : x
  2. Step 2: Convert to fraction form
    89,251.18/133,811.16 = 42,536.86/x
  3. Step 3: Cross multiply
    89,251.18x = 133,811.16 × 42,536.86
  4. Step 4: Simplify right side
    89,251.18x = 5,691,906,579.36
  5. Step 5: Solve for x
    x = 5,691,906,579.36/89,251.18
  6. Step 6: Final answer
    x = 63,774.02

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