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Finding the Fourth Proportional to 170,656.25, 255,974.78 and 52,327.26

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Solution

The fourth proportional to 170,656.25, 255,974.78 and 52,327.26 is: 78,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,656.25 : 255,974.78 = 52,327.26 : x
  2. Step 2: Convert to fraction form
    170,656.25/255,974.78 = 52,327.26/x
  3. Step 3: Cross multiply
    170,656.25x = 255,974.78 × 52,327.26
  4. Step 4: Simplify right side
    170,656.25x = 13,394,458,997.32
  5. Step 5: Solve for x
    x = 13,394,458,997.32/170,656.25
  6. Step 6: Final answer
    x = 78,487.95

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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.