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Finding the Fourth Proportional to 246,157.68, 369,203.70 and 68,649.83

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Solution

The fourth proportional to 246,157.68, 369,203.70 and 68,649.83 is: 102,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,157.68 : 369,203.70 = 68,649.83 : x
  2. Step 2: Convert to fraction form
    246,157.68/369,203.70 = 68,649.83/x
  3. Step 3: Cross multiply
    246,157.68x = 369,203.70 × 68,649.83
  4. Step 4: Simplify right side
    246,157.68x = 25,345,769,394.35
  5. Step 5: Solve for x
    x = 25,345,769,394.35/246,157.68
  6. Step 6: Final answer
    x = 102,965.58

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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.