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Finding the Fourth Proportional to 202,391.20, 303,586.80 and 62,131.60

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Solution

The fourth proportional to 202,391.20, 303,586.80 and 62,131.60 is: 93,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,391.20 : 303,586.80 = 62,131.60 : x
  2. Step 2: Convert to fraction form
    202,391.20/303,586.80 = 62,131.60/x
  3. Step 3: Cross multiply
    202,391.20x = 303,586.80 × 62,131.60
  4. Step 4: Simplify right side
    202,391.20x = 18,862,333,622.88
  5. Step 5: Solve for x
    x = 18,862,333,622.88/202,391.20
  6. Step 6: Final answer
    x = 93,197.40

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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.