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Finding the Fourth Proportional to 76,104.18, 105,011.46 and 47,789.82

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Solution

The fourth proportional to 76,104.18, 105,011.46 and 47,789.82 is: 65,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,104.18 : 105,011.46 = 47,789.82 : x
  2. Step 2: Convert to fraction form
    76,104.18/105,011.46 = 47,789.82/x
  3. Step 3: Cross multiply
    76,104.18x = 105,011.46 × 47,789.82
  4. Step 4: Simplify right side
    76,104.18x = 5,018,478,771.34
  5. Step 5: Solve for x
    x = 5,018,478,771.34/76,104.18
  6. Step 6: Final answer
    x = 65,942.22

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