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Finding the Fourth Proportional to 144,606.36, 199,575.60 and 80,957.37

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Solution

The fourth proportional to 144,606.36, 199,575.60 and 80,957.37 is: 111,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,606.36 : 199,575.60 = 80,957.37 : x
  2. Step 2: Convert to fraction form
    144,606.36/199,575.60 = 80,957.37/x
  3. Step 3: Cross multiply
    144,606.36x = 199,575.60 × 80,957.37
  4. Step 4: Simplify right side
    144,606.36x = 16,157,115,692.17
  5. Step 5: Solve for x
    x = 16,157,115,692.17/144,606.36
  6. Step 6: Final answer
    x = 111,731.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.