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Finding the Fourth Proportional to 70,672.85, 106,024.91 and 23,286.03

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Solution

The fourth proportional to 70,672.85, 106,024.91 and 23,286.03 is: 34,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,672.85 : 106,024.91 = 23,286.03 : x
  2. Step 2: Convert to fraction form
    70,672.85/106,024.91 = 23,286.03/x
  3. Step 3: Cross multiply
    70,672.85x = 106,024.91 × 23,286.03
  4. Step 4: Simplify right side
    70,672.85x = 2,468,898,720.98
  5. Step 5: Solve for x
    x = 2,468,898,720.98/70,672.85
  6. Step 6: Final answer
    x = 34,934.19

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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.