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Finding the Fourth Proportional to 115,247.10, 172,893.93 and 48,687.42

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Solution

The fourth proportional to 115,247.10, 172,893.93 and 48,687.42 is: 73,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247.10 : 172,893.93 = 48,687.42 : x
  2. Step 2: Convert to fraction form
    115,247.10/172,893.93 = 48,687.42/x
  3. Step 3: Cross multiply
    115,247.10x = 172,893.93 × 48,687.42
  4. Step 4: Simplify right side
    115,247.10x = 8,417,759,385.36
  5. Step 5: Solve for x
    x = 8,417,759,385.36/115,247.10
  6. Step 6: Final answer
    x = 73,040.96

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