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Finding the Fourth Proportional to 218,302.11, 301,255.67 and 122,809.59

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Solution

The fourth proportional to 218,302.11, 301,255.67 and 122,809.59 is: 169,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,302.11 : 301,255.67 = 122,809.59 : x
  2. Step 2: Convert to fraction form
    218,302.11/301,255.67 = 122,809.59/x
  3. Step 3: Cross multiply
    218,302.11x = 301,255.67 × 122,809.59
  4. Step 4: Simplify right side
    218,302.11x = 36,997,085,624.90
  5. Step 5: Solve for x
    x = 36,997,085,624.90/218,302.11
  6. Step 6: Final answer
    x = 169,476.54

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