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Finding the Fourth Proportional to 169,644.65, 254,079.29 and 80,960.44

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Solution

The fourth proportional to 169,644.65, 254,079.29 and 80,960.44 is: 121,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,644.65 : 254,079.29 = 80,960.44 : x
  2. Step 2: Convert to fraction form
    169,644.65/254,079.29 = 80,960.44/x
  3. Step 3: Cross multiply
    169,644.65x = 254,079.29 × 80,960.44
  4. Step 4: Simplify right side
    169,644.65x = 20,570,370,214.59
  5. Step 5: Solve for x
    x = 20,570,370,214.59/169,644.65
  6. Step 6: Final answer
    x = 121,255.64

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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.