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Finding the Fourth Proportional to 158,724, 238,086 and 47,916

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Solution

The fourth proportional to 158,724, 238,086 and 47,916 is: 71,874

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,724 : 238,086 = 47,916 : x
  2. Step 2: Convert to fraction form
    158,724/238,086 = 47,916/x
  3. Step 3: Cross multiply
    158,724x = 238,086 × 47,916
  4. Step 4: Simplify right side
    158,724x = 11,408,128,776
  5. Step 5: Solve for x
    x = 11,408,128,776/158,724
  6. Step 6: Final answer
    x = 71,874

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