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Finding the Fourth Proportional to 170,833.38, 256,304.88 and 82,093.32

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Solution

The fourth proportional to 170,833.38, 256,304.88 and 82,093.32 is: 123,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,833.38 : 256,304.88 = 82,093.32 : x
  2. Step 2: Convert to fraction form
    170,833.38/256,304.88 = 82,093.32/x
  3. Step 3: Cross multiply
    170,833.38x = 256,304.88 × 82,093.32
  4. Step 4: Simplify right side
    170,833.38x = 21,040,918,531.40
  5. Step 5: Solve for x
    x = 21,040,918,531.40/170,833.38
  6. Step 6: Final answer
    x = 123,166.32

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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.