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Finding the Fourth Proportional to 170,997.96, 256,496.88 and 46,338.96

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Solution

The fourth proportional to 170,997.96, 256,496.88 and 46,338.96 is: 69,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,997.96 : 256,496.88 = 46,338.96 : x
  2. Step 2: Convert to fraction form
    170,997.96/256,496.88 = 46,338.96/x
  3. Step 3: Cross multiply
    170,997.96x = 256,496.88 × 46,338.96
  4. Step 4: Simplify right side
    170,997.96x = 11,885,798,662.44
  5. Step 5: Solve for x
    x = 11,885,798,662.44/170,997.96
  6. Step 6: Final answer
    x = 69,508.42

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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.