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Finding the Fourth Proportional to 173,107.80, 259,504.97 and 67,898.52

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Solution

The fourth proportional to 173,107.80, 259,504.97 and 67,898.52 is: 101,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,107.80 : 259,504.97 = 67,898.52 : x
  2. Step 2: Convert to fraction form
    173,107.80/259,504.97 = 67,898.52/x
  3. Step 3: Cross multiply
    173,107.80x = 259,504.97 × 67,898.52
  4. Step 4: Simplify right side
    173,107.80x = 17,620,003,056.15
  5. Step 5: Solve for x
    x = 17,620,003,056.15/173,107.80
  6. Step 6: Final answer
    x = 101,786.30

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Why These Related Problems?

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