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Finding the Fourth Proportional to 246,654, 369,993.15 and 80,442

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Solution

The fourth proportional to 246,654, 369,993.15 and 80,442 is: 120,666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,654 : 369,993.15 = 80,442 : x
  2. Step 2: Convert to fraction form
    246,654/369,993.15 = 80,442/x
  3. Step 3: Cross multiply
    246,654x = 369,993.15 × 80,442
  4. Step 4: Simplify right side
    246,654x = 29,762,988,972.30
  5. Step 5: Solve for x
    x = 29,762,988,972.30/246,654
  6. Step 6: Final answer
    x = 120,666.96

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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.