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Finding the Fourth Proportional to 70,674.26, 97,524.74 and 40,452.70

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Solution

The fourth proportional to 70,674.26, 97,524.74 and 40,452.70 is: 55,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,674.26 : 97,524.74 = 40,452.70 : x
  2. Step 2: Convert to fraction form
    70,674.26/97,524.74 = 40,452.70/x
  3. Step 3: Cross multiply
    70,674.26x = 97,524.74 × 40,452.70
  4. Step 4: Simplify right side
    70,674.26x = 3,945,139,049.80
  5. Step 5: Solve for x
    x = 3,945,139,049.80/70,674.26
  6. Step 6: Final answer
    x = 55,821.44

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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.