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Finding the Fourth Proportional to 171,473.50, 257,235.31 and 82,653.97

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Solution

The fourth proportional to 171,473.50, 257,235.31 and 82,653.97 is: 123,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,473.50 : 257,235.31 = 82,653.97 : x
  2. Step 2: Convert to fraction form
    171,473.50/257,235.31 = 82,653.97/x
  3. Step 3: Cross multiply
    171,473.50x = 257,235.31 × 82,653.97
  4. Step 4: Simplify right side
    171,473.50x = 21,261,518,309.50
  5. Step 5: Solve for x
    x = 21,261,518,309.50/171,473.50
  6. Step 6: Final answer
    x = 123,993.03

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1.5x scale

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.