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Finding the Fourth Proportional to 251,753.34, 377,631 and 101,996.46

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Solution

The fourth proportional to 251,753.34, 377,631 and 101,996.46 is: 152,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,753.34 : 377,631 = 101,996.46 : x
  2. Step 2: Convert to fraction form
    251,753.34/377,631 = 101,996.46/x
  3. Step 3: Cross multiply
    251,753.34x = 377,631 × 101,996.46
  4. Step 4: Simplify right side
    251,753.34x = 38,517,025,186.26
  5. Step 5: Solve for x
    x = 38,517,025,186.26/251,753.34
  6. Step 6: Final answer
    x = 152,995.09

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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.