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Finding the Fourth Proportional to 89,284.58, 133,926.86 and 69,577.88

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Solution

The fourth proportional to 89,284.58, 133,926.86 and 69,577.88 is: 104,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,284.58 : 133,926.86 = 69,577.88 : x
  2. Step 2: Convert to fraction form
    89,284.58/133,926.86 = 69,577.88/x
  3. Step 3: Cross multiply
    89,284.58x = 133,926.86 × 69,577.88
  4. Step 4: Simplify right side
    89,284.58x = 9,318,346,993.86
  5. Step 5: Solve for x
    x = 9,318,346,993.86/89,284.58
  6. Step 6: Final answer
    x = 104,366.81

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