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Finding the Fourth Proportional to 179,958.16, 269,703.10 and 73,217.71

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Solution

The fourth proportional to 179,958.16, 269,703.10 and 73,217.71 is: 109,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,958.16 : 269,703.10 = 73,217.71 : x
  2. Step 2: Convert to fraction form
    179,958.16/269,703.10 = 73,217.71/x
  3. Step 3: Cross multiply
    179,958.16x = 269,703.10 × 73,217.71
  4. Step 4: Simplify right side
    179,958.16x = 19,747,043,361.90
  5. Step 5: Solve for x
    x = 19,747,043,361.90/179,958.16
  6. Step 6: Final answer
    x = 109,731.30

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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.