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Finding the Fourth Proportional to 84,325.62, 125,873.21 and 73,684.73

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Solution

The fourth proportional to 84,325.62, 125,873.21 and 73,684.73 is: 109,989.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,325.62 : 125,873.21 = 73,684.73 : x
  2. Step 2: Convert to fraction form
    84,325.62/125,873.21 = 73,684.73/x
  3. Step 3: Cross multiply
    84,325.62x = 125,873.21 × 73,684.73
  4. Step 4: Simplify right side
    84,325.62x = 9,274,932,495.29
  5. Step 5: Solve for x
    x = 9,274,932,495.29/84,325.62
  6. Step 6: Final answer
    x = 109,989.50

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.