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Finding the Fourth Proportional to 192,379.80, 288,051.30 and 150,907.80

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Solution

The fourth proportional to 192,379.80, 288,051.30 and 150,907.80 is: 225,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,379.80 : 288,051.30 = 150,907.80 : x
  2. Step 2: Convert to fraction form
    192,379.80/288,051.30 = 150,907.80/x
  3. Step 3: Cross multiply
    192,379.80x = 288,051.30 × 150,907.80
  4. Step 4: Simplify right side
    192,379.80x = 43,469,187,970.14
  5. Step 5: Solve for x
    x = 43,469,187,970.14/192,379.80
  6. Step 6: Final answer
    x = 225,955.05

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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.