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Finding the Fourth Proportional to 150,608.10, 225,912.15 and 82,956.90

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Solution

The fourth proportional to 150,608.10, 225,912.15 and 82,956.90 is: 124,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,608.10 : 225,912.15 = 82,956.90 : x
  2. Step 2: Convert to fraction form
    150,608.10/225,912.15 = 82,956.90/x
  3. Step 3: Cross multiply
    150,608.10x = 225,912.15 × 82,956.90
  4. Step 4: Simplify right side
    150,608.10x = 18,740,971,636.34
  5. Step 5: Solve for x
    x = 18,740,971,636.34/150,608.10
  6. Step 6: Final answer
    x = 124,435.35

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Similar ratio
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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.