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Finding the Fourth Proportional to 192,747.37, 288,954.78 and 92,770.03

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Solution

The fourth proportional to 192,747.37, 288,954.78 and 92,770.03 is: 139,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,747.37 : 288,954.78 = 92,770.03 : x
  2. Step 2: Convert to fraction form
    192,747.37/288,954.78 = 92,770.03/x
  3. Step 3: Cross multiply
    192,747.37x = 288,954.78 × 92,770.03
  4. Step 4: Simplify right side
    192,747.37x = 26,806,343,609.24
  5. Step 5: Solve for x
    x = 26,806,343,609.24/192,747.37
  6. Step 6: Final answer
    x = 139,075.02

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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.