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Finding the Fourth Proportional to 268,751.42, 403,092.30 and 110,958.56

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Solution

The fourth proportional to 268,751.42, 403,092.30 and 110,958.56 is: 166,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,751.42 : 403,092.30 = 110,958.56 : x
  2. Step 2: Convert to fraction form
    268,751.42/403,092.30 = 110,958.56/x
  3. Step 3: Cross multiply
    268,751.42x = 403,092.30 × 110,958.56
  4. Step 4: Simplify right side
    268,751.42x = 44,726,541,155.09
  5. Step 5: Solve for x
    x = 44,726,541,155.09/268,751.42
  6. Step 6: Final answer
    x = 166,423.46

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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.