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Finding the Fourth Proportional to 336,790.86, 504,748.92 and 136,878.66

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Solution

The fourth proportional to 336,790.86, 504,748.92 and 136,878.66 is: 205,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,790.86 : 504,748.92 = 136,878.66 : x
  2. Step 2: Convert to fraction form
    336,790.86/504,748.92 = 136,878.66/x
  3. Step 3: Cross multiply
    336,790.86x = 504,748.92 × 136,878.66
  4. Step 4: Simplify right side
    336,790.86x = 69,089,355,806.05
  5. Step 5: Solve for x
    x = 69,089,355,806.05/336,790.86
  6. Step 6: Final answer
    x = 205,140.23

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