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Finding the Fourth Proportional to 203,532.90, 305,249.58 and 159,049.32

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Solution

The fourth proportional to 203,532.90, 305,249.58 and 159,049.32 is: 238,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,532.90 : 305,249.58 = 159,049.32 : x
  2. Step 2: Convert to fraction form
    203,532.90/305,249.58 = 159,049.32/x
  3. Step 3: Cross multiply
    203,532.90x = 305,249.58 × 159,049.32
  4. Step 4: Simplify right side
    203,532.90x = 48,549,738,129.29
  5. Step 5: Solve for x
    x = 48,549,738,129.29/203,532.90
  6. Step 6: Final answer
    x = 238,535.09

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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.