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Finding the Fourth Proportional to 201,059.70, 301,589.55 and 122,198.10

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Solution

The fourth proportional to 201,059.70, 301,589.55 and 122,198.10 is: 183,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,059.70 : 301,589.55 = 122,198.10 : x
  2. Step 2: Convert to fraction form
    201,059.70/301,589.55 = 122,198.10/x
  3. Step 3: Cross multiply
    201,059.70x = 301,589.55 × 122,198.10
  4. Step 4: Simplify right side
    201,059.70x = 36,853,669,989.86
  5. Step 5: Solve for x
    x = 36,853,669,989.86/201,059.70
  6. Step 6: Final answer
    x = 183,297.15

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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.