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Finding the Fourth Proportional to 188,588.90, 283,069.23 and 138,528.47

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Solution

The fourth proportional to 188,588.90, 283,069.23 and 138,528.47 is: 207,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,588.90 : 283,069.23 = 138,528.47 : x
  2. Step 2: Convert to fraction form
    188,588.90/283,069.23 = 138,528.47/x
  3. Step 3: Cross multiply
    188,588.90x = 283,069.23 × 138,528.47
  4. Step 4: Simplify right side
    188,588.90x = 39,213,145,920.63
  5. Step 5: Solve for x
    x = 39,213,145,920.63/188,588.90
  6. Step 6: Final answer
    x = 207,929.24

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