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Finding the Fourth Proportional to 202,431.80, 303,589.65 and 60,271.13

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Solution

The fourth proportional to 202,431.80, 303,589.65 and 60,271.13 is: 90,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,431.80 : 303,589.65 = 60,271.13 : x
  2. Step 2: Convert to fraction form
    202,431.80/303,589.65 = 60,271.13/x
  3. Step 3: Cross multiply
    202,431.80x = 303,589.65 × 60,271.13
  4. Step 4: Simplify right side
    202,431.80x = 18,297,691,261.80
  5. Step 5: Solve for x
    x = 18,297,691,261.80/202,431.80
  6. Step 6: Final answer
    x = 90,389.41

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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.