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Finding the Fourth Proportional to 436,733.68, 655,100.85 and 121,190.89

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Solution

The fourth proportional to 436,733.68, 655,100.85 and 121,190.89 is: 181,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,733.68 : 655,100.85 = 121,190.89 : x
  2. Step 2: Convert to fraction form
    436,733.68/655,100.85 = 121,190.89/x
  3. Step 3: Cross multiply
    436,733.68x = 655,100.85 × 121,190.89
  4. Step 4: Simplify right side
    436,733.68x = 79,392,255,051.26
  5. Step 5: Solve for x
    x = 79,392,255,051.26/436,733.68
  6. Step 6: Final answer
    x = 181,786.43

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