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Finding the Fourth Proportional to 96,434.70, 144,629.78 and 36,469.59

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Solution

The fourth proportional to 96,434.70, 144,629.78 and 36,469.59 is: 54,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,434.70 : 144,629.78 = 36,469.59 : x
  2. Step 2: Convert to fraction form
    96,434.70/144,629.78 = 36,469.59/x
  3. Step 3: Cross multiply
    96,434.70x = 144,629.78 × 36,469.59
  4. Step 4: Simplify right side
    96,434.70x = 5,274,588,596.04
  5. Step 5: Solve for x
    x = 5,274,588,596.04/96,434.70
  6. Step 6: Final answer
    x = 54,695.96

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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.