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Finding the Fourth Proportional to 68,204.96, 102,318.24 and 28,773.44

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Solution

The fourth proportional to 68,204.96, 102,318.24 and 28,773.44 is: 43,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,204.96 : 102,318.24 = 28,773.44 : x
  2. Step 2: Convert to fraction form
    68,204.96/102,318.24 = 28,773.44/x
  3. Step 3: Cross multiply
    68,204.96x = 102,318.24 × 28,773.44
  4. Step 4: Simplify right side
    68,204.96x = 2,944,047,739.55
  5. Step 5: Solve for x
    x = 2,944,047,739.55/68,204.96
  6. Step 6: Final answer
    x = 43,164.72

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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.