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Finding the Fourth Proportional to 104,770.38, 157,179.99 and 29,891.55

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Solution

The fourth proportional to 104,770.38, 157,179.99 and 29,891.55 is: 44,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,770.38 : 157,179.99 = 29,891.55 : x
  2. Step 2: Convert to fraction form
    104,770.38/157,179.99 = 29,891.55/x
  3. Step 3: Cross multiply
    104,770.38x = 157,179.99 × 29,891.55
  4. Step 4: Simplify right side
    104,770.38x = 4,698,353,530.08
  5. Step 5: Solve for x
    x = 4,698,353,530.08/104,770.38
  6. Step 6: Final answer
    x = 44,844.29

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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.