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Finding the Fourth Proportional to 78,786, 118,199.52 and 23,382

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Solution

The fourth proportional to 78,786, 118,199.52 and 23,382 is: 35,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,786 : 118,199.52 = 23,382 : x
  2. Step 2: Convert to fraction form
    78,786/118,199.52 = 23,382/x
  3. Step 3: Cross multiply
    78,786x = 118,199.52 × 23,382
  4. Step 4: Simplify right side
    78,786x = 2,763,741,176.64
  5. Step 5: Solve for x
    x = 2,763,741,176.64/78,786
  6. Step 6: Final answer
    x = 35,079.09

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