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Finding the Fourth Proportional to 129,978.61, 194,798.03 and 94,075.94

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Solution

The fourth proportional to 129,978.61, 194,798.03 and 94,075.94 is: 140,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,978.61 : 194,798.03 = 94,075.94 : x
  2. Step 2: Convert to fraction form
    129,978.61/194,798.03 = 94,075.94/x
  3. Step 3: Cross multiply
    129,978.61x = 194,798.03 × 94,075.94
  4. Step 4: Simplify right side
    129,978.61x = 18,325,807,799.01
  5. Step 5: Solve for x
    x = 18,325,807,799.01/129,978.61
  6. Step 6: Final answer
    x = 140,990.95

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