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Finding the Fourth Proportional to 169,324.70, 253,969.23 and 69,495.44

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Solution

The fourth proportional to 169,324.70, 253,969.23 and 69,495.44 is: 104,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,324.70 : 253,969.23 = 69,495.44 : x
  2. Step 2: Convert to fraction form
    169,324.70/253,969.23 = 69,495.44/x
  3. Step 3: Cross multiply
    169,324.70x = 253,969.23 × 69,495.44
  4. Step 4: Simplify right side
    169,324.70x = 17,649,703,385.31
  5. Step 5: Solve for x
    x = 17,649,703,385.31/169,324.70
  6. Step 6: Final answer
    x = 104,235.85

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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.