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Finding the Fourth Proportional to 70,183.79, 96,826.11 and 43,279.59

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Solution

The fourth proportional to 70,183.79, 96,826.11 and 43,279.59 is: 59,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,183.79 : 96,826.11 = 43,279.59 : x
  2. Step 2: Convert to fraction form
    70,183.79/96,826.11 = 43,279.59/x
  3. Step 3: Cross multiply
    70,183.79x = 96,826.11 × 43,279.59
  4. Step 4: Simplify right side
    70,183.79x = 4,190,594,342.09
  5. Step 5: Solve for x
    x = 4,190,594,342.09/70,183.79
  6. Step 6: Final answer
    x = 59,708.87

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1.5x scale

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.