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Finding the Fourth Proportional to 79,155.42, 109,224.27 and 45,161.88

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Solution

The fourth proportional to 79,155.42, 109,224.27 and 45,161.88 is: 62,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,155.42 : 109,224.27 = 45,161.88 : x
  2. Step 2: Convert to fraction form
    79,155.42/109,224.27 = 45,161.88/x
  3. Step 3: Cross multiply
    79,155.42x = 109,224.27 × 45,161.88
  4. Step 4: Simplify right side
    79,155.42x = 4,932,773,374.83
  5. Step 5: Solve for x
    x = 4,932,773,374.83/79,155.42
  6. Step 6: Final answer
    x = 62,317.57

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