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Finding the Fourth Proportional to 190,963.56, 286,446.96 and 57,854.28

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Solution

The fourth proportional to 190,963.56, 286,446.96 and 57,854.28 is: 86,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,963.56 : 286,446.96 = 57,854.28 : x
  2. Step 2: Convert to fraction form
    190,963.56/286,446.96 = 57,854.28/x
  3. Step 3: Cross multiply
    190,963.56x = 286,446.96 × 57,854.28
  4. Step 4: Simplify right side
    190,963.56x = 16,572,182,628.99
  5. Step 5: Solve for x
    x = 16,572,182,628.99/190,963.56
  6. Step 6: Final answer
    x = 86,781.91

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