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Finding the Fourth Proportional to 150,552.32, 225,915.96 and 67,446.32

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Solution

The fourth proportional to 150,552.32, 225,915.96 and 67,446.32 is: 101,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,552.32 : 225,915.96 = 67,446.32 : x
  2. Step 2: Convert to fraction form
    150,552.32/225,915.96 = 67,446.32/x
  3. Step 3: Cross multiply
    150,552.32x = 225,915.96 × 67,446.32
  4. Step 4: Simplify right side
    150,552.32x = 15,237,200,131.27
  5. Step 5: Solve for x
    x = 15,237,200,131.27/150,552.32
  6. Step 6: Final answer
    x = 101,208.67

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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.