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Finding the Fourth Proportional to 121,908.12, 182,870.38 and 47,028.88

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Solution

The fourth proportional to 121,908.12, 182,870.38 and 47,028.88 is: 70,546.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,908.12 : 182,870.38 = 47,028.88 : x
  2. Step 2: Convert to fraction form
    121,908.12/182,870.38 = 47,028.88/x
  3. Step 3: Cross multiply
    121,908.12x = 182,870.38 × 47,028.88
  4. Step 4: Simplify right side
    121,908.12x = 8,600,189,156.57
  5. Step 5: Solve for x
    x = 8,600,189,156.57/121,908.12
  6. Step 6: Final answer
    x = 70,546.48

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