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Finding the Fourth Proportional to 169,850.88, 254,584.08 and 85,476.96

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Solution

The fourth proportional to 169,850.88, 254,584.08 and 85,476.96 is: 128,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,850.88 : 254,584.08 = 85,476.96 : x
  2. Step 2: Convert to fraction form
    169,850.88/254,584.08 = 85,476.96/x
  3. Step 3: Cross multiply
    169,850.88x = 254,584.08 × 85,476.96
  4. Step 4: Simplify right side
    169,850.88x = 21,761,073,222.80
  5. Step 5: Solve for x
    x = 21,761,073,222.80/169,850.88
  6. Step 6: Final answer
    x = 128,118.70

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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.