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Finding the Fourth Proportional to 169,208.55, 253,806.21 and 69,344.73

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Solution

The fourth proportional to 169,208.55, 253,806.21 and 69,344.73 is: 104,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,208.55 : 253,806.21 = 69,344.73 : x
  2. Step 2: Convert to fraction form
    169,208.55/253,806.21 = 69,344.73/x
  3. Step 3: Cross multiply
    169,208.55x = 253,806.21 × 69,344.73
  4. Step 4: Simplify right side
    169,208.55x = 17,600,123,104.77
  5. Step 5: Solve for x
    x = 17,600,123,104.77/169,208.55
  6. Step 6: Final answer
    x = 104,014.38

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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.