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Finding the Fourth Proportional to 170,759.88, 256,103.13 and 50,787.96

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Solution

The fourth proportional to 170,759.88, 256,103.13 and 50,787.96 is: 76,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,759.88 : 256,103.13 = 50,787.96 : x
  2. Step 2: Convert to fraction form
    170,759.88/256,103.13 = 50,787.96/x
  3. Step 3: Cross multiply
    170,759.88x = 256,103.13 × 50,787.96
  4. Step 4: Simplify right side
    170,759.88x = 13,006,955,522.31
  5. Step 5: Solve for x
    x = 13,006,955,522.31/170,759.88
  6. Step 6: Final answer
    x = 76,171.03

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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.