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Finding the Fourth Proportional to 225,441.82, 338,168.94 and 67,670.29

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Solution

The fourth proportional to 225,441.82, 338,168.94 and 67,670.29 is: 101,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,441.82 : 338,168.94 = 67,670.29 : x
  2. Step 2: Convert to fraction form
    225,441.82/338,168.94 = 67,670.29/x
  3. Step 3: Cross multiply
    225,441.82x = 338,168.94 × 67,670.29
  4. Step 4: Simplify right side
    225,441.82x = 22,883,990,238.79
  5. Step 5: Solve for x
    x = 22,883,990,238.79/225,441.82
  6. Step 6: Final answer
    x = 101,507.30

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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.