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Finding the Fourth Proportional to 79,035.49, 109,068.73 and 42,736.68

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Solution

The fourth proportional to 79,035.49, 109,068.73 and 42,736.68 is: 58,976.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,035.49 : 109,068.73 = 42,736.68 : x
  2. Step 2: Convert to fraction form
    79,035.49/109,068.73 = 42,736.68/x
  3. Step 3: Cross multiply
    79,035.49x = 109,068.73 × 42,736.68
  4. Step 4: Simplify right side
    79,035.49x = 4,661,235,545.57
  5. Step 5: Solve for x
    x = 4,661,235,545.57/79,035.49
  6. Step 6: Final answer
    x = 58,976.49

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