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Finding the Fourth Proportional to 198,473.70, 298,093.52 and 170,075.06

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Solution

The fourth proportional to 198,473.70, 298,093.52 and 170,075.06 is: 255,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,473.70 : 298,093.52 = 170,075.06 : x
  2. Step 2: Convert to fraction form
    198,473.70/298,093.52 = 170,075.06/x
  3. Step 3: Cross multiply
    198,473.70x = 298,093.52 × 170,075.06
  4. Step 4: Simplify right side
    198,473.70x = 50,698,270,958.77
  5. Step 5: Solve for x
    x = 50,698,270,958.77/198,473.70
  6. Step 6: Final answer
    x = 255,440.75

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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.