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Finding the Fourth Proportional to 188,829.20, 283,243.80 and 173,082.80

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Solution

The fourth proportional to 188,829.20, 283,243.80 and 173,082.80 is: 259,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,829.20 : 283,243.80 = 173,082.80 : x
  2. Step 2: Convert to fraction form
    188,829.20/283,243.80 = 173,082.80/x
  3. Step 3: Cross multiply
    188,829.20x = 283,243.80 × 173,082.80
  4. Step 4: Simplify right side
    188,829.20x = 49,024,629,986.64
  5. Step 5: Solve for x
    x = 49,024,629,986.64/188,829.20
  6. Step 6: Final answer
    x = 259,624.20

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1.5x scale

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.