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Finding the Fourth Proportional to 351,604.80, 527,167.10 and 169,139.34

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Solution

The fourth proportional to 351,604.80, 527,167.10 and 169,139.34 is: 253,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,604.80 : 527,167.10 = 169,139.34 : x
  2. Step 2: Convert to fraction form
    351,604.80/527,167.10 = 169,139.34/x
  3. Step 3: Cross multiply
    351,604.80x = 527,167.10 × 169,139.34
  4. Step 4: Simplify right side
    351,604.80x = 89,164,695,786.56
  5. Step 5: Solve for x
    x = 89,164,695,786.56/351,604.80
  6. Step 6: Final answer
    x = 253,593.51

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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.