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Finding the Fourth Proportional to 70,839.08, 106,324.26 and 35,803.40

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Solution

The fourth proportional to 70,839.08, 106,324.26 and 35,803.40 is: 53,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,839.08 : 106,324.26 = 35,803.40 : x
  2. Step 2: Convert to fraction form
    70,839.08/106,324.26 = 35,803.40/x
  3. Step 3: Cross multiply
    70,839.08x = 106,324.26 × 35,803.40
  4. Step 4: Simplify right side
    70,839.08x = 3,806,770,010.48
  5. Step 5: Solve for x
    x = 3,806,770,010.48/70,839.08
  6. Step 6: Final answer
    x = 53,738.28

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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.