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Finding the Fourth Proportional to 251,027.63, 376,553.55 and 82,544.22

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Solution

The fourth proportional to 251,027.63, 376,553.55 and 82,544.22 is: 123,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,027.63 : 376,553.55 = 82,544.22 : x
  2. Step 2: Convert to fraction form
    251,027.63/376,553.55 = 82,544.22/x
  3. Step 3: Cross multiply
    251,027.63x = 376,553.55 × 82,544.22
  4. Step 4: Simplify right side
    251,027.63x = 31,082,319,072.98
  5. Step 5: Solve for x
    x = 31,082,319,072.98/251,027.63
  6. Step 6: Final answer
    x = 123,820.31

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1.5x scale

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.