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Finding the Fourth Proportional to 85,012.20, 117,311.86 and 46,765.20

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Solution

The fourth proportional to 85,012.20, 117,311.86 and 46,765.20 is: 64,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,012.20 : 117,311.86 = 46,765.20 : x
  2. Step 2: Convert to fraction form
    85,012.20/117,311.86 = 46,765.20/x
  3. Step 3: Cross multiply
    85,012.20x = 117,311.86 × 46,765.20
  4. Step 4: Simplify right side
    85,012.20x = 5,486,112,595.27
  5. Step 5: Solve for x
    x = 5,486,112,595.27/85,012.20
  6. Step 6: Final answer
    x = 64,533.24

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