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Finding the Fourth Proportional to 185,788.40, 256,383.78 and 100,903.64

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Solution

The fourth proportional to 185,788.40, 256,383.78 and 100,903.64 is: 139,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,788.40 : 256,383.78 = 100,903.64 : x
  2. Step 2: Convert to fraction form
    185,788.40/256,383.78 = 100,903.64/x
  3. Step 3: Cross multiply
    185,788.40x = 256,383.78 × 100,903.64
  4. Step 4: Simplify right side
    185,788.40x = 25,870,056,638.96
  5. Step 5: Solve for x
    x = 25,870,056,638.96/185,788.40
  6. Step 6: Final answer
    x = 139,244.74

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