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Finding the Fourth Proportional to 199,603.80, 298,968.30 and 173,359.80

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Solution

The fourth proportional to 199,603.80, 298,968.30 and 173,359.80 is: 259,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,603.80 : 298,968.30 = 173,359.80 : x
  2. Step 2: Convert to fraction form
    199,603.80/298,968.30 = 173,359.80/x
  3. Step 3: Cross multiply
    199,603.80x = 298,968.30 × 173,359.80
  4. Step 4: Simplify right side
    199,603.80x = 51,829,084,694.34
  5. Step 5: Solve for x
    x = 51,829,084,694.34/199,603.80
  6. Step 6: Final answer
    x = 259,659.81

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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.