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Finding the Fourth Proportional to 89,581.04, 134,454.63 and 45,239.01

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Solution

The fourth proportional to 89,581.04, 134,454.63 and 45,239.01 is: 67,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,581.04 : 134,454.63 = 45,239.01 : x
  2. Step 2: Convert to fraction form
    89,581.04/134,454.63 = 45,239.01/x
  3. Step 3: Cross multiply
    89,581.04x = 134,454.63 × 45,239.01
  4. Step 4: Simplify right side
    89,581.04x = 6,082,594,016.56
  5. Step 5: Solve for x
    x = 6,082,594,016.56/89,581.04
  6. Step 6: Final answer
    x = 67,900.46

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