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Finding the Fourth Proportional to 202,245.30, 303,477.30 and 83,928.60

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Solution

The fourth proportional to 202,245.30, 303,477.30 and 83,928.60 is: 125,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,245.30 : 303,477.30 = 83,928.60 : x
  2. Step 2: Convert to fraction form
    202,245.30/303,477.30 = 83,928.60/x
  3. Step 3: Cross multiply
    202,245.30x = 303,477.30 × 83,928.60
  4. Step 4: Simplify right side
    202,245.30x = 25,470,424,920.78
  5. Step 5: Solve for x
    x = 25,470,424,920.78/202,245.30
  6. Step 6: Final answer
    x = 125,938.28

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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.