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Finding the Fourth Proportional to 170,990.73, 256,513.67 and 52,662.03

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Solution

The fourth proportional to 170,990.73, 256,513.67 and 52,662.03 is: 79,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,990.73 : 256,513.67 = 52,662.03 : x
  2. Step 2: Convert to fraction form
    170,990.73/256,513.67 = 52,662.03/x
  3. Step 3: Cross multiply
    170,990.73x = 256,513.67 × 52,662.03
  4. Step 4: Simplify right side
    170,990.73x = 13,508,530,321.64
  5. Step 5: Solve for x
    x = 13,508,530,321.64/170,990.73
  6. Step 6: Final answer
    x = 79,001.54

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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.