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Finding the Fourth Proportional to 70,679.55, 106,023.30 and 22,652.34

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Solution

The fourth proportional to 70,679.55, 106,023.30 and 22,652.34 is: 33,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679.55 : 106,023.30 = 22,652.34 : x
  2. Step 2: Convert to fraction form
    70,679.55/106,023.30 = 22,652.34/x
  3. Step 3: Cross multiply
    70,679.55x = 106,023.30 × 22,652.34
  4. Step 4: Simplify right side
    70,679.55x = 2,401,675,839.52
  5. Step 5: Solve for x
    x = 2,401,675,839.52/70,679.55
  6. Step 6: Final answer
    x = 33,979.78

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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.