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Finding the Fourth Proportional to 233,415.20, 350,074.20 and 100,299.80

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Solution

The fourth proportional to 233,415.20, 350,074.20 and 100,299.80 is: 150,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,415.20 : 350,074.20 = 100,299.80 : x
  2. Step 2: Convert to fraction form
    233,415.20/350,074.20 = 100,299.80/x
  3. Step 3: Cross multiply
    233,415.20x = 350,074.20 × 100,299.80
  4. Step 4: Simplify right side
    233,415.20x = 35,112,372,245.16
  5. Step 5: Solve for x
    x = 35,112,372,245.16/233,415.20
  6. Step 6: Final answer
    x = 150,428.82

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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.