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Finding the Fourth Proportional to 127,636.77, 176,135.81 and 79,916.43

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Solution

The fourth proportional to 127,636.77, 176,135.81 and 79,916.43 is: 110,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,636.77 : 176,135.81 = 79,916.43 : x
  2. Step 2: Convert to fraction form
    127,636.77/176,135.81 = 79,916.43/x
  3. Step 3: Cross multiply
    127,636.77x = 176,135.81 × 79,916.43
  4. Step 4: Simplify right side
    127,636.77x = 14,076,144,730.78
  5. Step 5: Solve for x
    x = 14,076,144,730.78/127,636.77
  6. Step 6: Final answer
    x = 110,282.83

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