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Finding the Fourth Proportional to 117,267.73, 161,846.84 and 74,251.22

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Solution

The fourth proportional to 117,267.73, 161,846.84 and 74,251.22 is: 102,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,267.73 : 161,846.84 = 74,251.22 : x
  2. Step 2: Convert to fraction form
    117,267.73/161,846.84 = 74,251.22/x
  3. Step 3: Cross multiply
    117,267.73x = 161,846.84 × 74,251.22
  4. Step 4: Simplify right side
    117,267.73x = 12,017,324,749.58
  5. Step 5: Solve for x
    x = 12,017,324,749.58/117,267.73
  6. Step 6: Final answer
    x = 102,477.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.