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Finding the Fourth Proportional to 92,151.14, 138,232.98 and 31,336.64

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Solution

The fourth proportional to 92,151.14, 138,232.98 and 31,336.64 is: 47,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,151.14 : 138,232.98 = 31,336.64 : x
  2. Step 2: Convert to fraction form
    92,151.14/138,232.98 = 31,336.64/x
  3. Step 3: Cross multiply
    92,151.14x = 138,232.98 × 31,336.64
  4. Step 4: Simplify right side
    92,151.14x = 4,331,756,439.22
  5. Step 5: Solve for x
    x = 4,331,756,439.22/92,151.14
  6. Step 6: Final answer
    x = 47,007.09

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