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Finding the Fourth Proportional to 109,671.03, 151,344.86 and 61,921.53

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Solution

The fourth proportional to 109,671.03, 151,344.86 and 61,921.53 is: 85,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,671.03 : 151,344.86 = 61,921.53 : x
  2. Step 2: Convert to fraction form
    109,671.03/151,344.86 = 61,921.53/x
  3. Step 3: Cross multiply
    109,671.03x = 151,344.86 × 61,921.53
  4. Step 4: Simplify right side
    109,671.03x = 9,371,504,979.23
  5. Step 5: Solve for x
    x = 9,371,504,979.23/109,671.03
  6. Step 6: Final answer
    x = 85,451.05

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