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Finding the Fourth Proportional to 236,358, 354,540.09 and 78,586.45

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Solution

The fourth proportional to 236,358, 354,540.09 and 78,586.45 is: 117,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,358 : 354,540.09 = 78,586.45 : x
  2. Step 2: Convert to fraction form
    236,358/354,540.09 = 78,586.45/x
  3. Step 3: Cross multiply
    236,358x = 354,540.09 × 78,586.45
  4. Step 4: Simplify right side
    236,358x = 27,862,048,016.37
  5. Step 5: Solve for x
    x = 27,862,048,016.37/236,358
  6. Step 6: Final answer
    x = 117,880.71

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