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Finding the Fourth Proportional to 115,511.82, 173,274.03 and 36,620.34

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Solution

The fourth proportional to 115,511.82, 173,274.03 and 36,620.34 is: 54,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,511.82 : 173,274.03 = 36,620.34 : x
  2. Step 2: Convert to fraction form
    115,511.82/173,274.03 = 36,620.34/x
  3. Step 3: Cross multiply
    115,511.82x = 173,274.03 × 36,620.34
  4. Step 4: Simplify right side
    115,511.82x = 6,345,353,891.77
  5. Step 5: Solve for x
    x = 6,345,353,891.77/115,511.82
  6. Step 6: Final answer
    x = 54,932.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.