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Finding the Fourth Proportional to 202,173.20, 303,259.80 and 83,832.20

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Solution

The fourth proportional to 202,173.20, 303,259.80 and 83,832.20 is: 125,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,173.20 : 303,259.80 = 83,832.20 : x
  2. Step 2: Convert to fraction form
    202,173.20/303,259.80 = 83,832.20/x
  3. Step 3: Cross multiply
    202,173.20x = 303,259.80 × 83,832.20
  4. Step 4: Simplify right side
    202,173.20x = 25,422,936,205.56
  5. Step 5: Solve for x
    x = 25,422,936,205.56/202,173.20
  6. Step 6: Final answer
    x = 125,748.30

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1.5x scale

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.