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Finding the Fourth Proportional to 171,175.56, 256,764.06 and 112,383.24

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Solution

The fourth proportional to 171,175.56, 256,764.06 and 112,383.24 is: 168,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,175.56 : 256,764.06 = 112,383.24 : x
  2. Step 2: Convert to fraction form
    171,175.56/256,764.06 = 112,383.24/x
  3. Step 3: Cross multiply
    171,175.56x = 256,764.06 × 112,383.24
  4. Step 4: Simplify right side
    171,175.56x = 28,855,976,978.35
  5. Step 5: Solve for x
    x = 28,855,976,978.35/171,175.56
  6. Step 6: Final answer
    x = 168,575.33

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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.