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Finding the Fourth Proportional to 279,376.56, 385,552.26 and 164,660.04

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Solution

The fourth proportional to 279,376.56, 385,552.26 and 164,660.04 is: 227,238.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,376.56 : 385,552.26 = 164,660.04 : x
  2. Step 2: Convert to fraction form
    279,376.56/385,552.26 = 164,660.04/x
  3. Step 3: Cross multiply
    279,376.56x = 385,552.26 × 164,660.04
  4. Step 4: Simplify right side
    279,376.56x = 63,485,050,553.69
  5. Step 5: Solve for x
    x = 63,485,050,553.69/279,376.56
  6. Step 6: Final answer
    x = 227,238.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.