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Finding the Fourth Proportional to 82,580.80, 123,903.60 and 29,995.60

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Solution

The fourth proportional to 82,580.80, 123,903.60 and 29,995.60 is: 45,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,580.80 : 123,903.60 = 29,995.60 : x
  2. Step 2: Convert to fraction form
    82,580.80/123,903.60 = 29,995.60/x
  3. Step 3: Cross multiply
    82,580.80x = 123,903.60 × 29,995.60
  4. Step 4: Simplify right side
    82,580.80x = 3,716,562,824.16
  5. Step 5: Solve for x
    x = 3,716,562,824.16/82,580.80
  6. Step 6: Final answer
    x = 45,005.17

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