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Finding the Fourth Proportional to 91,895.36, 126,863.76 and 61,838.72

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Solution

The fourth proportional to 91,895.36, 126,863.76 and 61,838.72 is: 85,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,895.36 : 126,863.76 = 61,838.72 : x
  2. Step 2: Convert to fraction form
    91,895.36/126,863.76 = 61,838.72/x
  3. Step 3: Cross multiply
    91,895.36x = 126,863.76 × 61,838.72
  4. Step 4: Simplify right side
    91,895.36x = 7,845,092,532.79
  5. Step 5: Solve for x
    x = 7,845,092,532.79/91,895.36
  6. Step 6: Final answer
    x = 85,369.84

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