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Finding the Fourth Proportional to 179,863.62, 248,241.81 and 171,891.78

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Solution

The fourth proportional to 179,863.62, 248,241.81 and 171,891.78 is: 237,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,863.62 : 248,241.81 = 171,891.78 : x
  2. Step 2: Convert to fraction form
    179,863.62/248,241.81 = 171,891.78/x
  3. Step 3: Cross multiply
    179,863.62x = 248,241.81 × 171,891.78
  4. Step 4: Simplify right side
    179,863.62x = 42,670,726,591.32
  5. Step 5: Solve for x
    x = 42,670,726,591.32/179,863.62
  6. Step 6: Final answer
    x = 237,239.34

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1.5x scale

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.