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Finding the Fourth Proportional to 77,086.42, 106,371.10 and 43,091.33

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Solution

The fourth proportional to 77,086.42, 106,371.10 and 43,091.33 is: 59,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,086.42 : 106,371.10 = 43,091.33 : x
  2. Step 2: Convert to fraction form
    77,086.42/106,371.10 = 43,091.33/x
  3. Step 3: Cross multiply
    77,086.42x = 106,371.10 × 43,091.33
  4. Step 4: Simplify right side
    77,086.42x = 4,583,671,798.91
  5. Step 5: Solve for x
    x = 4,583,671,798.91/77,086.42
  6. Step 6: Final answer
    x = 59,461.47

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