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Finding the Fourth Proportional to 92,986.42, 139,471.71 and 36,811.25

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Solution

The fourth proportional to 92,986.42, 139,471.71 and 36,811.25 is: 55,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,986.42 : 139,471.71 = 36,811.25 : x
  2. Step 2: Convert to fraction form
    92,986.42/139,471.71 = 36,811.25/x
  3. Step 3: Cross multiply
    92,986.42x = 139,471.71 × 36,811.25
  4. Step 4: Simplify right side
    92,986.42x = 5,134,127,984.74
  5. Step 5: Solve for x
    x = 5,134,127,984.74/92,986.42
  6. Step 6: Final answer
    x = 55,213.74

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