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Finding the Fourth Proportional to 93,186.32, 138,997.42 and 85,544.24

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Solution

The fourth proportional to 93,186.32, 138,997.42 and 85,544.24 is: 127,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,186.32 : 138,997.42 = 85,544.24 : x
  2. Step 2: Convert to fraction form
    93,186.32/138,997.42 = 85,544.24/x
  3. Step 3: Cross multiply
    93,186.32x = 138,997.42 × 85,544.24
  4. Step 4: Simplify right side
    93,186.32x = 11,890,428,655.86
  5. Step 5: Solve for x
    x = 11,890,428,655.86/93,186.32
  6. Step 6: Final answer
    x = 127,598.44

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