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Finding the Fourth Proportional to 170,810.31, 256,171.25 and 50,839.09

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Solution

The fourth proportional to 170,810.31, 256,171.25 and 50,839.09 is: 76,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,810.31 : 256,171.25 = 50,839.09 : x
  2. Step 2: Convert to fraction form
    170,810.31/256,171.25 = 50,839.09/x
  3. Step 3: Cross multiply
    170,810.31x = 256,171.25 × 50,839.09
  4. Step 4: Simplify right side
    170,810.31x = 13,023,512,979.97
  5. Step 5: Solve for x
    x = 13,023,512,979.97/170,810.31
  6. Step 6: Final answer
    x = 76,245.48

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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.