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Finding the Fourth Proportional to 89,622.87, 134,446.05 and 30,442.65

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Solution

The fourth proportional to 89,622.87, 134,446.05 and 30,442.65 is: 45,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,622.87 : 134,446.05 = 30,442.65 : x
  2. Step 2: Convert to fraction form
    89,622.87/134,446.05 = 30,442.65/x
  3. Step 3: Cross multiply
    89,622.87x = 134,446.05 × 30,442.65
  4. Step 4: Simplify right side
    89,622.87x = 4,092,894,044.03
  5. Step 5: Solve for x
    x = 4,092,894,044.03/89,622.87
  6. Step 6: Final answer
    x = 45,667.96

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