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Finding the Fourth Proportional to 168,447.60, 232,447.73 and 91,951.47

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Solution

The fourth proportional to 168,447.60, 232,447.73 and 91,951.47 is: 126,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,447.60 : 232,447.73 = 91,951.47 : x
  2. Step 2: Convert to fraction form
    168,447.60/232,447.73 = 91,951.47/x
  3. Step 3: Cross multiply
    168,447.60x = 232,447.73 × 91,951.47
  4. Step 4: Simplify right side
    168,447.60x = 21,373,910,011.91
  5. Step 5: Solve for x
    x = 21,373,910,011.91/168,447.60
  6. Step 6: Final answer
    x = 126,887.59

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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.