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Finding the Fourth Proportional to 169,573.65, 254,166.98 and 68,306.85

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Solution

The fourth proportional to 169,573.65, 254,166.98 and 68,306.85 is: 102,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,573.65 : 254,166.98 = 68,306.85 : x
  2. Step 2: Convert to fraction form
    169,573.65/254,166.98 = 68,306.85/x
  3. Step 3: Cross multiply
    169,573.65x = 254,166.98 × 68,306.85
  4. Step 4: Simplify right side
    169,573.65x = 17,361,345,436.28
  5. Step 5: Solve for x
    x = 17,361,345,436.28/169,573.65
  6. Step 6: Final answer
    x = 102,382.33

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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.