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Finding the Fourth Proportional to 559,945.54, 839,918.94 and 139,221.46

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Solution

The fourth proportional to 559,945.54, 839,918.94 and 139,221.46 is: 208,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,945.54 : 839,918.94 = 139,221.46 : x
  2. Step 2: Convert to fraction form
    559,945.54/839,918.94 = 139,221.46/x
  3. Step 3: Cross multiply
    559,945.54x = 839,918.94 × 139,221.46
  4. Step 4: Simplify right side
    559,945.54x = 116,934,741,108.45
  5. Step 5: Solve for x
    x = 116,934,741,108.45/559,945.54
  6. Step 6: Final answer
    x = 208,832.35

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