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Finding the Fourth Proportional to 144,969.91, 217,469.79 and 50,199.91

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Solution

The fourth proportional to 144,969.91, 217,469.79 and 50,199.91 is: 75,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,969.91 : 217,469.79 = 50,199.91 : x
  2. Step 2: Convert to fraction form
    144,969.91/217,469.79 = 50,199.91/x
  3. Step 3: Cross multiply
    144,969.91x = 217,469.79 × 50,199.91
  4. Step 4: Simplify right side
    144,969.91x = 10,916,963,342.04
  5. Step 5: Solve for x
    x = 10,916,963,342.04/144,969.91
  6. Step 6: Final answer
    x = 75,305.03

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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.