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Finding the Fourth Proportional to 89,427.78, 123,404.13 and 53,599.86

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Solution

The fourth proportional to 89,427.78, 123,404.13 and 53,599.86 is: 73,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,427.78 : 123,404.13 = 53,599.86 : x
  2. Step 2: Convert to fraction form
    89,427.78/123,404.13 = 53,599.86/x
  3. Step 3: Cross multiply
    89,427.78x = 123,404.13 × 53,599.86
  4. Step 4: Simplify right side
    89,427.78x = 6,614,444,091.42
  5. Step 5: Solve for x
    x = 6,614,444,091.42/89,427.78
  6. Step 6: Final answer
    x = 73,964.09

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