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Finding the Fourth Proportional to 361,665.08, 542,520.16 and 95,425.85

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Solution

The fourth proportional to 361,665.08, 542,520.16 and 95,425.85 is: 143,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,665.08 : 542,520.16 = 95,425.85 : x
  2. Step 2: Convert to fraction form
    361,665.08/542,520.16 = 95,425.85/x
  3. Step 3: Cross multiply
    361,665.08x = 542,520.16 × 95,425.85
  4. Step 4: Simplify right side
    361,665.08x = 51,770,444,697.54
  5. Step 5: Solve for x
    x = 51,770,444,697.54/361,665.08
  6. Step 6: Final answer
    x = 143,144.72

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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.