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Finding the Fourth Proportional to 91,742.70, 137,614.05 and 41,920.11

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Solution

The fourth proportional to 91,742.70, 137,614.05 and 41,920.11 is: 62,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,742.70 : 137,614.05 = 41,920.11 : x
  2. Step 2: Convert to fraction form
    91,742.70/137,614.05 = 41,920.11/x
  3. Step 3: Cross multiply
    91,742.70x = 137,614.05 × 41,920.11
  4. Step 4: Simplify right side
    91,742.70x = 5,768,795,597.49
  5. Step 5: Solve for x
    x = 5,768,795,597.49/91,742.70
  6. Step 6: Final answer
    x = 62,880.16

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