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Finding the Fourth Proportional to 84,143.36, 116,116.72 and 45,902.72

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Solution

The fourth proportional to 84,143.36, 116,116.72 and 45,902.72 is: 63,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,143.36 : 116,116.72 = 45,902.72 : x
  2. Step 2: Convert to fraction form
    84,143.36/116,116.72 = 45,902.72/x
  3. Step 3: Cross multiply
    84,143.36x = 116,116.72 × 45,902.72
  4. Step 4: Simplify right side
    84,143.36x = 5,330,073,285.48
  5. Step 5: Solve for x
    x = 5,330,073,285.48/84,143.36
  6. Step 6: Final answer
    x = 63,345.14

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