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Finding the Fourth Proportional to 79,132.42, 109,199.45 and 43,321.54

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Solution

The fourth proportional to 79,132.42, 109,199.45 and 43,321.54 is: 59,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.42 : 109,199.45 = 43,321.54 : x
  2. Step 2: Convert to fraction form
    79,132.42/109,199.45 = 43,321.54/x
  3. Step 3: Cross multiply
    79,132.42x = 109,199.45 × 43,321.54
  4. Step 4: Simplify right side
    79,132.42x = 4,730,688,341.15
  5. Step 5: Solve for x
    x = 4,730,688,341.15/79,132.42
  6. Step 6: Final answer
    x = 59,781.92

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