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Finding the Fourth Proportional to 268,750.92, 403,091.55 and 110,958.06

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Solution

The fourth proportional to 268,750.92, 403,091.55 and 110,958.06 is: 166,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,750.92 : 403,091.55 = 110,958.06 : x
  2. Step 2: Convert to fraction form
    268,750.92/403,091.55 = 110,958.06/x
  3. Step 3: Cross multiply
    268,750.92x = 403,091.55 × 110,958.06
  4. Step 4: Simplify right side
    268,750.92x = 44,726,256,390.39
  5. Step 5: Solve for x
    x = 44,726,256,390.39/268,750.92
  6. Step 6: Final answer
    x = 166,422.71

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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.