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Finding the Fourth Proportional to 79,354.82, 119,039.22 and 29,435.45

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Solution

The fourth proportional to 79,354.82, 119,039.22 and 29,435.45 is: 44,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,354.82 : 119,039.22 = 29,435.45 : x
  2. Step 2: Convert to fraction form
    79,354.82/119,039.22 = 29,435.45/x
  3. Step 3: Cross multiply
    79,354.82x = 119,039.22 × 29,435.45
  4. Step 4: Simplify right side
    79,354.82x = 3,503,973,008.35
  5. Step 5: Solve for x
    x = 3,503,973,008.35/79,354.82
  6. Step 6: Final answer
    x = 44,155.77

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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.