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Finding the Fourth Proportional to 56,168.43, 84,229.21 and 22,865.88

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Solution

The fourth proportional to 56,168.43, 84,229.21 and 22,865.88 is: 34,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,168.43 : 84,229.21 = 22,865.88 : x
  2. Step 2: Convert to fraction form
    56,168.43/84,229.21 = 22,865.88/x
  3. Step 3: Cross multiply
    56,168.43x = 84,229.21 × 22,865.88
  4. Step 4: Simplify right side
    56,168.43x = 1,925,975,008.35
  5. Step 5: Solve for x
    x = 1,925,975,008.35/56,168.43
  6. Step 6: Final answer
    x = 34,289.28

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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.