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Finding the Fourth Proportional to 246,553.80, 369,802 and 66,630.70

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Solution

The fourth proportional to 246,553.80, 369,802 and 66,630.70 is: 99,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,553.80 : 369,802 = 66,630.70 : x
  2. Step 2: Convert to fraction form
    246,553.80/369,802 = 66,630.70/x
  3. Step 3: Cross multiply
    246,553.80x = 369,802 × 66,630.70
  4. Step 4: Simplify right side
    246,553.80x = 24,640,166,121.40
  5. Step 5: Solve for x
    x = 24,640,166,121.40/246,553.80
  6. Step 6: Final answer
    x = 99,938.29

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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.