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Finding the Fourth Proportional to 100,666.46, 150,999.72 and 29,589.11

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Solution

The fourth proportional to 100,666.46, 150,999.72 and 29,589.11 is: 44,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,666.46 : 150,999.72 = 29,589.11 : x
  2. Step 2: Convert to fraction form
    100,666.46/150,999.72 = 29,589.11/x
  3. Step 3: Cross multiply
    100,666.46x = 150,999.72 × 29,589.11
  4. Step 4: Simplify right side
    100,666.46x = 4,467,947,325.05
  5. Step 5: Solve for x
    x = 4,467,947,325.05/100,666.46
  6. Step 6: Final answer
    x = 44,383.67

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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.