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Finding the Fourth Proportional to 122,797.54, 169,446.84 and 69,081.44

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Solution

The fourth proportional to 122,797.54, 169,446.84 and 69,081.44 is: 95,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,797.54 : 169,446.84 = 69,081.44 : x
  2. Step 2: Convert to fraction form
    122,797.54/169,446.84 = 69,081.44/x
  3. Step 3: Cross multiply
    122,797.54x = 169,446.84 × 69,081.44
  4. Step 4: Simplify right side
    122,797.54x = 11,705,631,710.65
  5. Step 5: Solve for x
    x = 11,705,631,710.65/122,797.54
  6. Step 6: Final answer
    x = 95,324.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.