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Finding the Fourth Proportional to 243,940, 365,532.12 and 169,205.44

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Solution

The fourth proportional to 243,940, 365,532.12 and 169,205.44 is: 253,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,940 : 365,532.12 = 169,205.44 : x
  2. Step 2: Convert to fraction form
    243,940/365,532.12 = 169,205.44/x
  3. Step 3: Cross multiply
    243,940x = 365,532.12 × 169,205.44
  4. Step 4: Simplify right side
    243,940x = 61,850,023,198.73
  5. Step 5: Solve for x
    x = 61,850,023,198.73/243,940
  6. Step 6: Final answer
    x = 253,546.05

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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.