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Finding the Fourth Proportional to 170,991.22, 256,474.68 and 52,650.22

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Solution

The fourth proportional to 170,991.22, 256,474.68 and 52,650.22 is: 78,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,991.22 : 256,474.68 = 52,650.22 : x
  2. Step 2: Convert to fraction form
    170,991.22/256,474.68 = 52,650.22/x
  3. Step 3: Cross multiply
    170,991.22x = 256,474.68 × 52,650.22
  4. Step 4: Simplify right side
    170,991.22x = 13,503,448,326.43
  5. Step 5: Solve for x
    x = 13,503,448,326.43/170,991.22
  6. Step 6: Final answer
    x = 78,971.59

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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.