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Finding the Fourth Proportional to 275,642.41, 412,910.02 and 125,676.41

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Solution

The fourth proportional to 275,642.41, 412,910.02 and 125,676.41 is: 188,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,642.41 : 412,910.02 = 125,676.41 : x
  2. Step 2: Convert to fraction form
    275,642.41/412,910.02 = 125,676.41/x
  3. Step 3: Cross multiply
    275,642.41x = 412,910.02 × 125,676.41
  4. Step 4: Simplify right side
    275,642.41x = 51,893,048,966.63
  5. Step 5: Solve for x
    x = 51,893,048,966.63/275,642.41
  6. Step 6: Final answer
    x = 188,262.21

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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.