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Finding the Fourth Proportional to 246,996, 369,902 and 126,736.48

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Solution

The fourth proportional to 246,996, 369,902 and 126,736.48 is: 189,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,996 : 369,902 = 126,736.48 : x
  2. Step 2: Convert to fraction form
    246,996/369,902 = 126,736.48/x
  3. Step 3: Cross multiply
    246,996x = 369,902 × 126,736.48
  4. Step 4: Simplify right side
    246,996x = 46,880,077,424.96
  5. Step 5: Solve for x
    x = 46,880,077,424.96/246,996
  6. Step 6: Final answer
    x = 189,800.96

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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.