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Finding the Fourth Proportional to 150,734.80, 225,907.80 and 115,499.80

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Solution

The fourth proportional to 150,734.80, 225,907.80 and 115,499.80 is: 173,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,734.80 : 225,907.80 = 115,499.80 : x
  2. Step 2: Convert to fraction form
    150,734.80/225,907.80 = 115,499.80/x
  3. Step 3: Cross multiply
    150,734.80x = 225,907.80 × 115,499.80
  4. Step 4: Simplify right side
    150,734.80x = 26,092,305,718.44
  5. Step 5: Solve for x
    x = 26,092,305,718.44/150,734.80
  6. Step 6: Final answer
    x = 173,100.74

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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.