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Finding the Fourth Proportional to 190,406.76, 285,617.34 and 57,305.94

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Solution

The fourth proportional to 190,406.76, 285,617.34 and 57,305.94 is: 85,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,406.76 : 285,617.34 = 57,305.94 : x
  2. Step 2: Convert to fraction form
    190,406.76/285,617.34 = 57,305.94/x
  3. Step 3: Cross multiply
    190,406.76x = 285,617.34 × 57,305.94
  4. Step 4: Simplify right side
    190,406.76x = 16,367,570,149.00
  5. Step 5: Solve for x
    x = 16,367,570,149.00/190,406.76
  6. Step 6: Final answer
    x = 85,961.08

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