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Finding the Fourth Proportional to 131,021.88, 196,530.99 and 74,741.88

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Solution

The fourth proportional to 131,021.88, 196,530.99 and 74,741.88 is: 112,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,021.88 : 196,530.99 = 74,741.88 : x
  2. Step 2: Convert to fraction form
    131,021.88/196,530.99 = 74,741.88/x
  3. Step 3: Cross multiply
    131,021.88x = 196,530.99 × 74,741.88
  4. Step 4: Simplify right side
    131,021.88x = 14,689,095,670.86
  5. Step 5: Solve for x
    x = 14,689,095,670.86/131,021.88
  6. Step 6: Final answer
    x = 112,111.78

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