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Finding the Fourth Proportional to 74,480.54, 111,720.67 and 30,107.32

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Solution

The fourth proportional to 74,480.54, 111,720.67 and 30,107.32 is: 45,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,480.54 : 111,720.67 = 30,107.32 : x
  2. Step 2: Convert to fraction form
    74,480.54/111,720.67 = 30,107.32/x
  3. Step 3: Cross multiply
    74,480.54x = 111,720.67 × 30,107.32
  4. Step 4: Simplify right side
    74,480.54x = 3,363,609,607.73
  5. Step 5: Solve for x
    x = 3,363,609,607.73/74,480.54
  6. Step 6: Final answer
    x = 45,160.92

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