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Finding the Fourth Proportional to 246,787.20, 369,964.80 and 167,644.80

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Solution

The fourth proportional to 246,787.20, 369,964.80 and 167,644.80 is: 251,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,787.20 : 369,964.80 = 167,644.80 : x
  2. Step 2: Convert to fraction form
    246,787.20/369,964.80 = 167,644.80/x
  3. Step 3: Cross multiply
    246,787.20x = 369,964.80 × 167,644.80
  4. Step 4: Simplify right side
    246,787.20x = 62,022,674,903.04
  5. Step 5: Solve for x
    x = 62,022,674,903.04/246,787.20
  6. Step 6: Final answer
    x = 251,320.47

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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.