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Finding the Fourth Proportional to 83,183.80, 114,794.34 and 45,458.68

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Solution

The fourth proportional to 83,183.80, 114,794.34 and 45,458.68 is: 62,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,183.80 : 114,794.34 = 45,458.68 : x
  2. Step 2: Convert to fraction form
    83,183.80/114,794.34 = 45,458.68/x
  3. Step 3: Cross multiply
    83,183.80x = 114,794.34 × 45,458.68
  4. Step 4: Simplify right side
    83,183.80x = 5,218,399,167.87
  5. Step 5: Solve for x
    x = 5,218,399,167.87/83,183.80
  6. Step 6: Final answer
    x = 62,733.36

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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.