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Finding the Fourth Proportional to 172,116.86, 257,801.40 and 83,183.84

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Solution

The fourth proportional to 172,116.86, 257,801.40 and 83,183.84 is: 124,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,116.86 : 257,801.40 = 83,183.84 : x
  2. Step 2: Convert to fraction form
    172,116.86/257,801.40 = 83,183.84/x
  3. Step 3: Cross multiply
    172,116.86x = 257,801.40 × 83,183.84
  4. Step 4: Simplify right side
    172,116.86x = 21,444,910,409.38
  5. Step 5: Solve for x
    x = 21,444,910,409.38/172,116.86
  6. Step 6: Final answer
    x = 124,595.06

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