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Finding the Fourth Proportional to 170,584.80, 255,456.69 and 107,247.80

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Solution

The fourth proportional to 170,584.80, 255,456.69 and 107,247.80 is: 160,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,584.80 : 255,456.69 = 107,247.80 : x
  2. Step 2: Convert to fraction form
    170,584.80/255,456.69 = 107,247.80/x
  3. Step 3: Cross multiply
    170,584.80x = 255,456.69 × 107,247.80
  4. Step 4: Simplify right side
    170,584.80x = 27,397,166,720.50
  5. Step 5: Solve for x
    x = 27,397,166,720.50/170,584.80
  6. Step 6: Final answer
    x = 160,607.32

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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.