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Finding the Fourth Proportional to 202,022.40, 303,361.65 and 135,756.30

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Solution

The fourth proportional to 202,022.40, 303,361.65 and 135,756.30 is: 203,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,022.40 : 303,361.65 = 135,756.30 : x
  2. Step 2: Convert to fraction form
    202,022.40/303,361.65 = 135,756.30/x
  3. Step 3: Cross multiply
    202,022.40x = 303,361.65 × 135,756.30
  4. Step 4: Simplify right side
    202,022.40x = 41,183,255,165.90
  5. Step 5: Solve for x
    x = 41,183,255,165.90/202,022.40
  6. Step 6: Final answer
    x = 203,854.90

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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.