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Finding the Fourth Proportional to 202,173.60, 303,260.40 and 199,549.20

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Solution

The fourth proportional to 202,173.60, 303,260.40 and 199,549.20 is: 299,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,173.60 : 303,260.40 = 199,549.20 : x
  2. Step 2: Convert to fraction form
    202,173.60/303,260.40 = 199,549.20/x
  3. Step 3: Cross multiply
    202,173.60x = 303,260.40 × 199,549.20
  4. Step 4: Simplify right side
    202,173.60x = 60,515,370,211.68
  5. Step 5: Solve for x
    x = 60,515,370,211.68/202,173.60
  6. Step 6: Final answer
    x = 299,323.80

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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.