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Finding the Fourth Proportional to 141,311.68, 194,954.24 and 91,040

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Solution

The fourth proportional to 141,311.68, 194,954.24 and 91,040 is: 125,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,311.68 : 194,954.24 = 91,040 : x
  2. Step 2: Convert to fraction form
    141,311.68/194,954.24 = 91,040/x
  3. Step 3: Cross multiply
    141,311.68x = 194,954.24 × 91,040
  4. Step 4: Simplify right side
    141,311.68x = 17,748,634,009.60
  5. Step 5: Solve for x
    x = 17,748,634,009.60/141,311.68
  6. Step 6: Final answer
    x = 125,599.20

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