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Finding the Fourth Proportional to 171,109.80, 256,693.80 and 52,759.08

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Solution

The fourth proportional to 171,109.80, 256,693.80 and 52,759.08 is: 79,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,109.80 : 256,693.80 = 52,759.08 : x
  2. Step 2: Convert to fraction form
    171,109.80/256,693.80 = 52,759.08/x
  3. Step 3: Cross multiply
    171,109.80x = 256,693.80 × 52,759.08
  4. Step 4: Simplify right side
    171,109.80x = 13,542,928,729.70
  5. Step 5: Solve for x
    x = 13,542,928,729.70/171,109.80
  6. Step 6: Final answer
    x = 79,147.59

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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.