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Finding the Fourth Proportional to 132,991.76, 199,520.22 and 39,497.60

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Solution

The fourth proportional to 132,991.76, 199,520.22 and 39,497.60 is: 59,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,991.76 : 199,520.22 = 39,497.60 : x
  2. Step 2: Convert to fraction form
    132,991.76/199,520.22 = 39,497.60/x
  3. Step 3: Cross multiply
    132,991.76x = 199,520.22 × 39,497.60
  4. Step 4: Simplify right side
    132,991.76x = 7,880,569,841.47
  5. Step 5: Solve for x
    x = 7,880,569,841.47/132,991.76
  6. Step 6: Final answer
    x = 59,256.08

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