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Finding the Fourth Proportional to 202,073.70, 303,438.60 and 113,500.20

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Solution

The fourth proportional to 202,073.70, 303,438.60 and 113,500.20 is: 170,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,073.70 : 303,438.60 = 113,500.20 : x
  2. Step 2: Convert to fraction form
    202,073.70/303,438.60 = 113,500.20/x
  3. Step 3: Cross multiply
    202,073.70x = 303,438.60 × 113,500.20
  4. Step 4: Simplify right side
    202,073.70x = 34,440,341,787.72
  5. Step 5: Solve for x
    x = 34,440,341,787.72/202,073.70
  6. Step 6: Final answer
    x = 170,434.56

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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.