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Finding the Fourth Proportional to 84,173.84, 116,023.54 and 73,244

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Solution

The fourth proportional to 84,173.84, 116,023.54 and 73,244 is: 100,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,173.84 : 116,023.54 = 73,244 : x
  2. Step 2: Convert to fraction form
    84,173.84/116,023.54 = 73,244/x
  3. Step 3: Cross multiply
    84,173.84x = 116,023.54 × 73,244
  4. Step 4: Simplify right side
    84,173.84x = 8,498,028,163.76
  5. Step 5: Solve for x
    x = 8,498,028,163.76/84,173.84
  6. Step 6: Final answer
    x = 100,958.07

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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.