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Finding the Fourth Proportional to 58,696.29, 80,978.76 and 43,419.42

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Solution

The fourth proportional to 58,696.29, 80,978.76 and 43,419.42 is: 59,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,696.29 : 80,978.76 = 43,419.42 : x
  2. Step 2: Convert to fraction form
    58,696.29/80,978.76 = 43,419.42/x
  3. Step 3: Cross multiply
    58,696.29x = 80,978.76 × 43,419.42
  4. Step 4: Simplify right side
    58,696.29x = 3,516,050,791.52
  5. Step 5: Solve for x
    x = 3,516,050,791.52/58,696.29
  6. Step 6: Final answer
    x = 59,902.44

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