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Finding the Fourth Proportional to 134,782.90, 202,320.15 and 84,919.30

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Solution

The fourth proportional to 134,782.90, 202,320.15 and 84,919.30 is: 127,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,782.90 : 202,320.15 = 84,919.30 : x
  2. Step 2: Convert to fraction form
    134,782.90/202,320.15 = 84,919.30/x
  3. Step 3: Cross multiply
    134,782.90x = 202,320.15 × 84,919.30
  4. Step 4: Simplify right side
    134,782.90x = 17,180,885,513.90
  5. Step 5: Solve for x
    x = 17,180,885,513.90/134,782.90
  6. Step 6: Final answer
    x = 127,470.81

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