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Finding the Fourth Proportional to 172,475.52, 258,643.20 and 54,110.40

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Solution

The fourth proportional to 172,475.52, 258,643.20 and 54,110.40 is: 81,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,475.52 : 258,643.20 = 54,110.40 : x
  2. Step 2: Convert to fraction form
    172,475.52/258,643.20 = 54,110.40/x
  3. Step 3: Cross multiply
    172,475.52x = 258,643.20 × 54,110.40
  4. Step 4: Simplify right side
    172,475.52x = 13,995,287,009.28
  5. Step 5: Solve for x
    x = 13,995,287,009.28/172,475.52
  6. Step 6: Final answer
    x = 81,143.61

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