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Finding the Fourth Proportional to 143,998.43, 198,792.53 and 105,192.68

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Solution

The fourth proportional to 143,998.43, 198,792.53 and 105,192.68 is: 145,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,998.43 : 198,792.53 = 105,192.68 : x
  2. Step 2: Convert to fraction form
    143,998.43/198,792.53 = 105,192.68/x
  3. Step 3: Cross multiply
    143,998.43x = 198,792.53 × 105,192.68
  4. Step 4: Simplify right side
    143,998.43x = 20,911,518,452.79
  5. Step 5: Solve for x
    x = 20,911,518,452.79/143,998.43
  6. Step 6: Final answer
    x = 145,220.47

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