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Finding the Fourth Proportional to 236,936.40, 355,231.80 and 96,622.80

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Solution

The fourth proportional to 236,936.40, 355,231.80 and 96,622.80 is: 144,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,936.40 : 355,231.80 = 96,622.80 : x
  2. Step 2: Convert to fraction form
    236,936.40/355,231.80 = 96,622.80/x
  3. Step 3: Cross multiply
    236,936.40x = 355,231.80 × 96,622.80
  4. Step 4: Simplify right side
    236,936.40x = 34,323,491,165.04
  5. Step 5: Solve for x
    x = 34,323,491,165.04/236,936.40
  6. Step 6: Final answer
    x = 144,863.73

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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.