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Finding the Fourth Proportional to 188,263.71, 259,807.11 and 103,388.67

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Solution

The fourth proportional to 188,263.71, 259,807.11 and 103,388.67 is: 142,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,263.71 : 259,807.11 = 103,388.67 : x
  2. Step 2: Convert to fraction form
    188,263.71/259,807.11 = 103,388.67/x
  3. Step 3: Cross multiply
    188,263.71x = 259,807.11 × 103,388.67
  4. Step 4: Simplify right side
    188,263.71x = 26,861,111,559.44
  5. Step 5: Solve for x
    x = 26,861,111,559.44/188,263.71
  6. Step 6: Final answer
    x = 142,678.12

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