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Finding the Fourth Proportional to 79,904.57, 119,825.72 and 29,957.43

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Solution

The fourth proportional to 79,904.57, 119,825.72 and 29,957.43 is: 44,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,904.57 : 119,825.72 = 29,957.43 : x
  2. Step 2: Convert to fraction form
    79,904.57/119,825.72 = 29,957.43/x
  3. Step 3: Cross multiply
    79,904.57x = 119,825.72 × 29,957.43
  4. Step 4: Simplify right side
    79,904.57x = 3,589,670,469.31
  5. Step 5: Solve for x
    x = 3,589,670,469.31/79,904.57
  6. Step 6: Final answer
    x = 44,924.47

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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.