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Finding the Fourth Proportional to 270,339.48, 373,057.92 and 161,462.28

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Solution

The fourth proportional to 270,339.48, 373,057.92 and 161,462.28 is: 222,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,339.48 : 373,057.92 = 161,462.28 : x
  2. Step 2: Convert to fraction form
    270,339.48/373,057.92 = 161,462.28/x
  3. Step 3: Cross multiply
    270,339.48x = 373,057.92 × 161,462.28
  4. Step 4: Simplify right side
    270,339.48x = 60,234,782,335.26
  5. Step 5: Solve for x
    x = 60,234,782,335.26/270,339.48
  6. Step 6: Final answer
    x = 222,811.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.