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Finding the Fourth Proportional to 150,555.32, 225,920.46 and 67,449.32

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Solution

The fourth proportional to 150,555.32, 225,920.46 and 67,449.32 is: 101,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,555.32 : 225,920.46 = 67,449.32 : x
  2. Step 2: Convert to fraction form
    150,555.32/225,920.46 = 67,449.32/x
  3. Step 3: Cross multiply
    150,555.32x = 225,920.46 × 67,449.32
  4. Step 4: Simplify right side
    150,555.32x = 15,238,181,401.09
  5. Step 5: Solve for x
    x = 15,238,181,401.09/150,555.32
  6. Step 6: Final answer
    x = 101,213.17

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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.