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Finding the Fourth Proportional to 79,685.25, 109,965.46 and 43,875.28

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Solution

The fourth proportional to 79,685.25, 109,965.46 and 43,875.28 is: 60,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,685.25 : 109,965.46 = 43,875.28 : x
  2. Step 2: Convert to fraction form
    79,685.25/109,965.46 = 43,875.28/x
  3. Step 3: Cross multiply
    79,685.25x = 109,965.46 × 43,875.28
  4. Step 4: Simplify right side
    79,685.25x = 4,824,765,347.83
  5. Step 5: Solve for x
    x = 4,824,765,347.83/79,685.25
  6. Step 6: Final answer
    x = 60,547.78

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