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Finding the Fourth Proportional to 79,361.85, 119,038.92 and 29,451.67

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Solution

The fourth proportional to 79,361.85, 119,038.92 and 29,451.67 is: 44,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,361.85 : 119,038.92 = 29,451.67 : x
  2. Step 2: Convert to fraction form
    79,361.85/119,038.92 = 29,451.67/x
  3. Step 3: Cross multiply
    79,361.85x = 119,038.92 × 29,451.67
  4. Step 4: Simplify right side
    79,361.85x = 3,505,894,989.00
  5. Step 5: Solve for x
    x = 3,505,894,989.00/79,361.85
  6. Step 6: Final answer
    x = 44,176.07

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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.