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Finding the Fourth Proportional to 89,643.11, 134,477.01 and 30,462.89

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Solution

The fourth proportional to 89,643.11, 134,477.01 and 30,462.89 is: 45,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,643.11 : 134,477.01 = 30,462.89 : x
  2. Step 2: Convert to fraction form
    89,643.11/134,477.01 = 30,462.89/x
  3. Step 3: Cross multiply
    89,643.11x = 134,477.01 × 30,462.89
  4. Step 4: Simplify right side
    89,643.11x = 4,096,557,690.77
  5. Step 5: Solve for x
    x = 4,096,557,690.77/89,643.11
  6. Step 6: Final answer
    x = 45,698.53

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