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Finding the Fourth Proportional to 168,153.25, 231,920.20 and 107,729.48

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Solution

The fourth proportional to 168,153.25, 231,920.20 and 107,729.48 is: 148,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,153.25 : 231,920.20 = 107,729.48 : x
  2. Step 2: Convert to fraction form
    168,153.25/231,920.20 = 107,729.48/x
  3. Step 3: Cross multiply
    168,153.25x = 231,920.20 × 107,729.48
  4. Step 4: Simplify right side
    168,153.25x = 24,984,642,547.50
  5. Step 5: Solve for x
    x = 24,984,642,547.50/168,153.25
  6. Step 6: Final answer
    x = 148,582.57

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