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Finding the Fourth Proportional to 169,202.49, 253,835.75 and 68,008.41

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Solution

The fourth proportional to 169,202.49, 253,835.75 and 68,008.41 is: 102,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,202.49 : 253,835.75 = 68,008.41 : x
  2. Step 2: Convert to fraction form
    169,202.49/253,835.75 = 68,008.41/x
  3. Step 3: Cross multiply
    169,202.49x = 253,835.75 × 68,008.41
  4. Step 4: Simplify right side
    169,202.49x = 17,262,965,737.40
  5. Step 5: Solve for x
    x = 17,262,965,737.40/169,202.49
  6. Step 6: Final answer
    x = 102,025.49

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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.