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Finding the Fourth Proportional to 246,155.58, 369,236.31 and 68,651.79

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Solution

The fourth proportional to 246,155.58, 369,236.31 and 68,651.79 is: 102,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,155.58 : 369,236.31 = 68,651.79 : x
  2. Step 2: Convert to fraction form
    246,155.58/369,236.31 = 68,651.79/x
  3. Step 3: Cross multiply
    246,155.58x = 369,236.31 × 68,651.79
  4. Step 4: Simplify right side
    246,155.58x = 25,348,733,614.49
  5. Step 5: Solve for x
    x = 25,348,733,614.49/246,155.58
  6. Step 6: Final answer
    x = 102,978.50

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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.