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Finding the Fourth Proportional to 202,344.20, 303,516.30 and 123,612.20

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Solution

The fourth proportional to 202,344.20, 303,516.30 and 123,612.20 is: 185,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,344.20 : 303,516.30 = 123,612.20 : x
  2. Step 2: Convert to fraction form
    202,344.20/303,516.30 = 123,612.20/x
  3. Step 3: Cross multiply
    202,344.20x = 303,516.30 × 123,612.20
  4. Step 4: Simplify right side
    202,344.20x = 37,518,317,578.86
  5. Step 5: Solve for x
    x = 37,518,317,578.86/202,344.20
  6. Step 6: Final answer
    x = 185,418.30

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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.