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Finding the Fourth Proportional to 348,882.80, 522,991.99 and 112,059.42

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Solution

The fourth proportional to 348,882.80, 522,991.99 and 112,059.42 is: 167,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,882.80 : 522,991.99 = 112,059.42 : x
  2. Step 2: Convert to fraction form
    348,882.80/522,991.99 = 112,059.42/x
  3. Step 3: Cross multiply
    348,882.80x = 522,991.99 × 112,059.42
  4. Step 4: Simplify right side
    348,882.80x = 58,606,179,064.05
  5. Step 5: Solve for x
    x = 58,606,179,064.05/348,882.80
  6. Step 6: Final answer
    x = 167,982.43

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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.