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Finding the Fourth Proportional to 270,086.83, 405,149.96 and 92,592.34

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Solution

The fourth proportional to 270,086.83, 405,149.96 and 92,592.34 is: 138,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,086.83 : 405,149.96 = 92,592.34 : x
  2. Step 2: Convert to fraction form
    270,086.83/405,149.96 = 92,592.34/x
  3. Step 3: Cross multiply
    270,086.83x = 405,149.96 × 92,592.34
  4. Step 4: Simplify right side
    270,086.83x = 37,513,782,847.31
  5. Step 5: Solve for x
    x = 37,513,782,847.31/270,086.83
  6. Step 6: Final answer
    x = 138,895.27

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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.