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Finding the Fourth Proportional to 361,665.23, 542,520.36 and 95,426.02

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Solution

The fourth proportional to 361,665.23, 542,520.36 and 95,426.02 is: 143,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,665.23 : 542,520.36 = 95,426.02 : x
  2. Step 2: Convert to fraction form
    361,665.23/542,520.36 = 95,426.02/x
  3. Step 3: Cross multiply
    361,665.23x = 542,520.36 × 95,426.02
  4. Step 4: Simplify right side
    361,665.23x = 51,770,558,723.77
  5. Step 5: Solve for x
    x = 51,770,558,723.77/361,665.23
  6. Step 6: Final answer
    x = 143,144.97

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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.