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Finding the Fourth Proportional to 246,013.80, 369,020.70 and 169,906.20

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Solution

The fourth proportional to 246,013.80, 369,020.70 and 169,906.20 is: 254,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,013.80 : 369,020.70 = 169,906.20 : x
  2. Step 2: Convert to fraction form
    246,013.80/369,020.70 = 169,906.20/x
  3. Step 3: Cross multiply
    246,013.80x = 369,020.70 × 169,906.20
  4. Step 4: Simplify right side
    246,013.80x = 62,698,904,858.34
  5. Step 5: Solve for x
    x = 62,698,904,858.34/246,013.80
  6. Step 6: Final answer
    x = 254,859.30

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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.