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Finding the Fourth Proportional to 76,628.54, 105,746.37 and 43,094.54

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Solution

The fourth proportional to 76,628.54, 105,746.37 and 43,094.54 is: 59,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628.54 : 105,746.37 = 43,094.54 : x
  2. Step 2: Convert to fraction form
    76,628.54/105,746.37 = 43,094.54/x
  3. Step 3: Cross multiply
    76,628.54x = 105,746.37 × 43,094.54
  4. Step 4: Simplify right side
    76,628.54x = 4,557,091,171.82
  5. Step 5: Solve for x
    x = 4,557,091,171.82/76,628.54
  6. Step 6: Final answer
    x = 59,469.89

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