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Finding the Fourth Proportional to 270,572.76, 373,540.68 and 163,170

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Solution

The fourth proportional to 270,572.76, 373,540.68 and 163,170 is: 225,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,572.76 : 373,540.68 = 163,170 : x
  2. Step 2: Convert to fraction form
    270,572.76/373,540.68 = 163,170/x
  3. Step 3: Cross multiply
    270,572.76x = 373,540.68 × 163,170
  4. Step 4: Simplify right side
    270,572.76x = 60,950,632,755.60
  5. Step 5: Solve for x
    x = 60,950,632,755.60/270,572.76
  6. Step 6: Final answer
    x = 225,265.22

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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.