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Finding the Fourth Proportional to 50,775.76, 76,179.21 and 22,719.43

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Solution

The fourth proportional to 50,775.76, 76,179.21 and 22,719.43 is: 34,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,775.76 : 76,179.21 = 22,719.43 : x
  2. Step 2: Convert to fraction form
    50,775.76/76,179.21 = 22,719.43/x
  3. Step 3: Cross multiply
    50,775.76x = 76,179.21 × 22,719.43
  4. Step 4: Simplify right side
    50,775.76x = 1,730,748,229.05
  5. Step 5: Solve for x
    x = 1,730,748,229.05/50,775.76
  6. Step 6: Final answer
    x = 34,086.11

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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.