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Finding the Fourth Proportional to 82,003.80, 122,556.41 and 59,863.80

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Solution

The fourth proportional to 82,003.80, 122,556.41 and 59,863.80 is: 89,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,003.80 : 122,556.41 = 59,863.80 : x
  2. Step 2: Convert to fraction form
    82,003.80/122,556.41 = 59,863.80/x
  3. Step 3: Cross multiply
    82,003.80x = 122,556.41 × 59,863.80
  4. Step 4: Simplify right side
    82,003.80x = 7,336,692,416.96
  5. Step 5: Solve for x
    x = 7,336,692,416.96/82,003.80
  6. Step 6: Final answer
    x = 89,467.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.