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Finding the Fourth Proportional to 92,800.11, 139,221.77 and 30,466.83

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Solution

The fourth proportional to 92,800.11, 139,221.77 and 30,466.83 is: 45,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,800.11 : 139,221.77 = 30,466.83 : x
  2. Step 2: Convert to fraction form
    92,800.11/139,221.77 = 30,466.83/x
  3. Step 3: Cross multiply
    92,800.11x = 139,221.77 × 30,466.83
  4. Step 4: Simplify right side
    92,800.11x = 4,241,645,846.55
  5. Step 5: Solve for x
    x = 4,241,645,846.55/92,800.11
  6. Step 6: Final answer
    x = 45,707.34

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