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Finding the Fourth Proportional to 90,354.74, 135,525.60 and 28,023.62

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Solution

The fourth proportional to 90,354.74, 135,525.60 and 28,023.62 is: 42,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,354.74 : 135,525.60 = 28,023.62 : x
  2. Step 2: Convert to fraction form
    90,354.74/135,525.60 = 28,023.62/x
  3. Step 3: Cross multiply
    90,354.74x = 135,525.60 × 28,023.62
  4. Step 4: Simplify right side
    90,354.74x = 3,797,917,914.67
  5. Step 5: Solve for x
    x = 3,797,917,914.67/90,354.74
  6. Step 6: Final answer
    x = 42,033.41

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