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Finding the Fourth Proportional to 93,737.80, 140,606.70 and 31,408.30

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Solution

The fourth proportional to 93,737.80, 140,606.70 and 31,408.30 is: 47,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,737.80 : 140,606.70 = 31,408.30 : x
  2. Step 2: Convert to fraction form
    93,737.80/140,606.70 = 31,408.30/x
  3. Step 3: Cross multiply
    93,737.80x = 140,606.70 × 31,408.30
  4. Step 4: Simplify right side
    93,737.80x = 4,416,217,415.61
  5. Step 5: Solve for x
    x = 4,416,217,415.61/93,737.80
  6. Step 6: Final answer
    x = 47,112.45

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