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Finding the Fourth Proportional to 91,409.84, 126,122.83 and 57,423.86

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Solution

The fourth proportional to 91,409.84, 126,122.83 and 57,423.86 is: 79,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,409.84 : 126,122.83 = 57,423.86 : x
  2. Step 2: Convert to fraction form
    91,409.84/126,122.83 = 57,423.86/x
  3. Step 3: Cross multiply
    91,409.84x = 126,122.83 × 57,423.86
  4. Step 4: Simplify right side
    91,409.84x = 7,242,458,958.55
  5. Step 5: Solve for x
    x = 7,242,458,958.55/91,409.84
  6. Step 6: Final answer
    x = 79,230.63

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