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Finding the Fourth Proportional to 268,655.67, 402,950.43 and 110,863.62

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Solution

The fourth proportional to 268,655.67, 402,950.43 and 110,863.62 is: 166,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,655.67 : 402,950.43 = 110,863.62 : x
  2. Step 2: Convert to fraction form
    268,655.67/402,950.43 = 110,863.62/x
  3. Step 3: Cross multiply
    268,655.67x = 402,950.43 × 110,863.62
  4. Step 4: Simplify right side
    268,655.67x = 44,672,543,350.36
  5. Step 5: Solve for x
    x = 44,672,543,350.36/268,655.67
  6. Step 6: Final answer
    x = 166,281.78

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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.