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Finding the Fourth Proportional to 172,370.43, 258,491.66 and 60,021.81

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Solution

The fourth proportional to 172,370.43, 258,491.66 and 60,021.81 is: 90,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,370.43 : 258,491.66 = 60,021.81 : x
  2. Step 2: Convert to fraction form
    172,370.43/258,491.66 = 60,021.81/x
  3. Step 3: Cross multiply
    172,370.43x = 258,491.66 × 60,021.81
  4. Step 4: Simplify right side
    172,370.43x = 15,515,137,003.00
  5. Step 5: Solve for x
    x = 15,515,137,003.00/172,370.43
  6. Step 6: Final answer
    x = 90,010.43

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