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Finding the Fourth Proportional to 79,281.73, 118,906.46 and 29,349.96

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Solution

The fourth proportional to 79,281.73, 118,906.46 and 29,349.96 is: 44,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,281.73 : 118,906.46 = 29,349.96 : x
  2. Step 2: Convert to fraction form
    79,281.73/118,906.46 = 29,349.96/x
  3. Step 3: Cross multiply
    79,281.73x = 118,906.46 × 29,349.96
  4. Step 4: Simplify right side
    79,281.73x = 3,489,899,539.69
  5. Step 5: Solve for x
    x = 3,489,899,539.69/79,281.73
  6. Step 6: Final answer
    x = 44,018.96

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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.