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Finding the Fourth Proportional to 45,770.92, 68,771.41 and 29,138.38

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Solution

The fourth proportional to 45,770.92, 68,771.41 and 29,138.38 is: 43,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,770.92 : 68,771.41 = 29,138.38 : x
  2. Step 2: Convert to fraction form
    45,770.92/68,771.41 = 29,138.38/x
  3. Step 3: Cross multiply
    45,770.92x = 68,771.41 × 29,138.38
  4. Step 4: Simplify right side
    45,770.92x = 2,003,887,477.72
  5. Step 5: Solve for x
    x = 2,003,887,477.72/45,770.92
  6. Step 6: Final answer
    x = 43,780.80

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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.