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Finding the Fourth Proportional to 76,044.76, 114,086.56 and 31,656.76

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Solution

The fourth proportional to 76,044.76, 114,086.56 and 31,656.76 is: 47,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,044.76 : 114,086.56 = 31,656.76 : x
  2. Step 2: Convert to fraction form
    76,044.76/114,086.56 = 31,656.76/x
  3. Step 3: Cross multiply
    76,044.76x = 114,086.56 × 31,656.76
  4. Step 4: Simplify right side
    76,044.76x = 3,611,610,849.15
  5. Step 5: Solve for x
    x = 3,611,610,849.15/76,044.76
  6. Step 6: Final answer
    x = 47,493.22

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