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Finding the Fourth Proportional to 105,664.92, 145,809.26 and 60,944.28

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Solution

The fourth proportional to 105,664.92, 145,809.26 and 60,944.28 is: 84,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,664.92 : 145,809.26 = 60,944.28 : x
  2. Step 2: Convert to fraction form
    105,664.92/145,809.26 = 60,944.28/x
  3. Step 3: Cross multiply
    105,664.92x = 145,809.26 × 60,944.28
  4. Step 4: Simplify right side
    105,664.92x = 8,886,240,368.03
  5. Step 5: Solve for x
    x = 8,886,240,368.03/105,664.92
  6. Step 6: Final answer
    x = 84,098.30

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