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Finding the Fourth Proportional to 202,329.70, 303,460.46 and 74,219.56

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Solution

The fourth proportional to 202,329.70, 303,460.46 and 74,219.56 is: 111,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,329.70 : 303,460.46 = 74,219.56 : x
  2. Step 2: Convert to fraction form
    202,329.70/303,460.46 = 74,219.56/x
  3. Step 3: Cross multiply
    202,329.70x = 303,460.46 × 74,219.56
  4. Step 4: Simplify right side
    202,329.70x = 22,522,701,818.60
  5. Step 5: Solve for x
    x = 22,522,701,818.60/202,329.70
  6. Step 6: Final answer
    x = 111,316.83

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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.