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Finding the Fourth Proportional to 189,220.59, 283,914.72 and 100,452.69

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Solution

The fourth proportional to 189,220.59, 283,914.72 and 100,452.69 is: 150,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,220.59 : 283,914.72 = 100,452.69 : x
  2. Step 2: Convert to fraction form
    189,220.59/283,914.72 = 100,452.69/x
  3. Step 3: Cross multiply
    189,220.59x = 283,914.72 × 100,452.69
  4. Step 4: Simplify right side
    189,220.59x = 28,519,997,354.60
  5. Step 5: Solve for x
    x = 28,519,997,354.60/189,220.59
  6. Step 6: Final answer
    x = 150,723.54

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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.