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Finding the Fourth Proportional to 70,845.54, 106,266.60 and 28,714.37

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Solution

The fourth proportional to 70,845.54, 106,266.60 and 28,714.37 is: 43,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,845.54 : 106,266.60 = 28,714.37 : x
  2. Step 2: Convert to fraction form
    70,845.54/106,266.60 = 28,714.37/x
  3. Step 3: Cross multiply
    70,845.54x = 106,266.60 × 28,714.37
  4. Step 4: Simplify right side
    70,845.54x = 3,051,377,939.71
  5. Step 5: Solve for x
    x = 3,051,377,939.71/70,845.54
  6. Step 6: Final answer
    x = 43,070.86

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