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Finding the Fourth Proportional to 66,798.59, 92,137.70 and 42,955.43

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Solution

The fourth proportional to 66,798.59, 92,137.70 and 42,955.43 is: 59,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,798.59 : 92,137.70 = 42,955.43 : x
  2. Step 2: Convert to fraction form
    66,798.59/92,137.70 = 42,955.43/x
  3. Step 3: Cross multiply
    66,798.59x = 92,137.70 × 42,955.43
  4. Step 4: Simplify right side
    66,798.59x = 3,957,813,847.25
  5. Step 5: Solve for x
    x = 3,957,813,847.25/66,798.59
  6. Step 6: Final answer
    x = 59,249.97

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