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Finding the Fourth Proportional to 202,233.20, 303,414.60 and 135,748.40

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Solution

The fourth proportional to 202,233.20, 303,414.60 and 135,748.40 is: 203,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,233.20 : 303,414.60 = 135,748.40 : x
  2. Step 2: Convert to fraction form
    202,233.20/303,414.60 = 135,748.40/x
  3. Step 3: Cross multiply
    202,233.20x = 303,414.60 × 135,748.40
  4. Step 4: Simplify right side
    202,233.20x = 41,188,046,486.64
  5. Step 5: Solve for x
    x = 41,188,046,486.64/202,233.20
  6. Step 6: Final answer
    x = 203,666.10

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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.