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Finding the Fourth Proportional to 192,031.80, 287,529.30 and 150,559.80

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Solution

The fourth proportional to 192,031.80, 287,529.30 and 150,559.80 is: 225,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,031.80 : 287,529.30 = 150,559.80 : x
  2. Step 2: Convert to fraction form
    192,031.80/287,529.30 = 150,559.80/x
  3. Step 3: Cross multiply
    192,031.80x = 287,529.30 × 150,559.80
  4. Step 4: Simplify right side
    192,031.80x = 43,290,353,902.14
  5. Step 5: Solve for x
    x = 43,290,353,902.14/192,031.80
  6. Step 6: Final answer
    x = 225,433.26

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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.