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Finding the Fourth Proportional to 81,657.76, 112,684.08 and 45,847.12

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Solution

The fourth proportional to 81,657.76, 112,684.08 and 45,847.12 is: 63,266.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,657.76 : 112,684.08 = 45,847.12 : x
  2. Step 2: Convert to fraction form
    81,657.76/112,684.08 = 45,847.12/x
  3. Step 3: Cross multiply
    81,657.76x = 112,684.08 × 45,847.12
  4. Step 4: Simplify right side
    81,657.76x = 5,166,240,537.85
  5. Step 5: Solve for x
    x = 5,166,240,537.85/81,657.76
  6. Step 6: Final answer
    x = 63,266.99

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