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Finding the Fourth Proportional to 79,765.12, 119,648.16 and 24,361.12

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Solution

The fourth proportional to 79,765.12, 119,648.16 and 24,361.12 is: 36,541.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,765.12 : 119,648.16 = 24,361.12 : x
  2. Step 2: Convert to fraction form
    79,765.12/119,648.16 = 24,361.12/x
  3. Step 3: Cross multiply
    79,765.12x = 119,648.16 × 24,361.12
  4. Step 4: Simplify right side
    79,765.12x = 2,914,763,183.54
  5. Step 5: Solve for x
    x = 2,914,763,183.54/79,765.12
  6. Step 6: Final answer
    x = 36,541.83

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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.