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Finding the Fourth Proportional to 202,325.70, 303,454.46 and 74,215.56

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Solution

The fourth proportional to 202,325.70, 303,454.46 and 74,215.56 is: 111,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,325.70 : 303,454.46 = 74,215.56 : x
  2. Step 2: Convert to fraction form
    202,325.70/303,454.46 = 74,215.56/x
  3. Step 3: Cross multiply
    202,325.70x = 303,454.46 × 74,215.56
  4. Step 4: Simplify right side
    202,325.70x = 22,521,042,683.40
  5. Step 5: Solve for x
    x = 22,521,042,683.40/202,325.70
  6. Step 6: Final answer
    x = 111,310.84

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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.