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Finding the Fourth Proportional to 76,740.21, 105,877.13 and 43,199.73

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Solution

The fourth proportional to 76,740.21, 105,877.13 and 43,199.73 is: 59,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,740.21 : 105,877.13 = 43,199.73 : x
  2. Step 2: Convert to fraction form
    76,740.21/105,877.13 = 43,199.73/x
  3. Step 3: Cross multiply
    76,740.21x = 105,877.13 × 43,199.73
  4. Step 4: Simplify right side
    76,740.21x = 4,573,863,213.18
  5. Step 5: Solve for x
    x = 4,573,863,213.18/76,740.21
  6. Step 6: Final answer
    x = 59,601.91

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