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Finding the Fourth Proportional to 150,658.30, 207,907.87 and 82,676.41

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Solution

The fourth proportional to 150,658.30, 207,907.87 and 82,676.41 is: 114,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,658.30 : 207,907.87 = 82,676.41 : x
  2. Step 2: Convert to fraction form
    150,658.30/207,907.87 = 82,676.41/x
  3. Step 3: Cross multiply
    150,658.30x = 207,907.87 × 82,676.41
  4. Step 4: Simplify right side
    150,658.30x = 17,189,076,302.35
  5. Step 5: Solve for x
    x = 17,189,076,302.35/150,658.30
  6. Step 6: Final answer
    x = 114,093.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.