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Finding the Fourth Proportional to 202,385.64, 303,572.30 and 52,622.62

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Solution

The fourth proportional to 202,385.64, 303,572.30 and 52,622.62 is: 78,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,385.64 : 303,572.30 = 52,622.62 : x
  2. Step 2: Convert to fraction form
    202,385.64/303,572.30 = 52,622.62/x
  3. Step 3: Cross multiply
    202,385.64x = 303,572.30 × 52,622.62
  4. Step 4: Simplify right side
    202,385.64x = 15,974,769,785.43
  5. Step 5: Solve for x
    x = 15,974,769,785.43/202,385.64
  6. Step 6: Final answer
    x = 78,932.33

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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.