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Finding the Fourth Proportional to 372,820.38, 559,174.68 and 120,067.44

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Solution

The fourth proportional to 372,820.38, 559,174.68 and 120,067.44 is: 180,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,820.38 : 559,174.68 = 120,067.44 : x
  2. Step 2: Convert to fraction form
    372,820.38/559,174.68 = 120,067.44/x
  3. Step 3: Cross multiply
    372,820.38x = 559,174.68 × 120,067.44
  4. Step 4: Simplify right side
    372,820.38x = 67,138,672,340.42
  5. Step 5: Solve for x
    x = 67,138,672,340.42/372,820.38
  6. Step 6: Final answer
    x = 180,083.16

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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.