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Finding the Fourth Proportional to 157,968.72, 236,954.64 and 39,640.56

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Solution

The fourth proportional to 157,968.72, 236,954.64 and 39,640.56 is: 59,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,968.72 : 236,954.64 = 39,640.56 : x
  2. Step 2: Convert to fraction form
    157,968.72/236,954.64 = 39,640.56/x
  3. Step 3: Cross multiply
    157,968.72x = 236,954.64 × 39,640.56
  4. Step 4: Simplify right side
    157,968.72x = 9,393,014,624.20
  5. Step 5: Solve for x
    x = 9,393,014,624.20/157,968.72
  6. Step 6: Final answer
    x = 59,461.23

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