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Finding the Fourth Proportional to 370,010.44, 555,103.41 and 120,692.44

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Solution

The fourth proportional to 370,010.44, 555,103.41 and 120,692.44 is: 181,067.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,010.44 : 555,103.41 = 120,692.44 : x
  2. Step 2: Convert to fraction form
    370,010.44/555,103.41 = 120,692.44/x
  3. Step 3: Cross multiply
    370,010.44x = 555,103.41 × 120,692.44
  4. Step 4: Simplify right side
    370,010.44x = 66,996,783,617.46
  5. Step 5: Solve for x
    x = 66,996,783,617.46/370,010.44
  6. Step 6: Final answer
    x = 181,067.28

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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.