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Finding the Fourth Proportional to 358,736.21, 538,135.26 and 92,494.47

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Solution

The fourth proportional to 358,736.21, 538,135.26 and 92,494.47 is: 138,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,736.21 : 538,135.26 = 92,494.47 : x
  2. Step 2: Convert to fraction form
    358,736.21/538,135.26 = 92,494.47/x
  3. Step 3: Cross multiply
    358,736.21x = 538,135.26 × 92,494.47
  4. Step 4: Simplify right side
    358,736.21x = 49,774,535,662.01
  5. Step 5: Solve for x
    x = 49,774,535,662.01/358,736.21
  6. Step 6: Final answer
    x = 138,749.68

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