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Finding the Fourth Proportional to 168,432.77, 232,437.69 and 91,951.94

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Solution

The fourth proportional to 168,432.77, 232,437.69 and 91,951.94 is: 126,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,432.77 : 232,437.69 = 91,951.94 : x
  2. Step 2: Convert to fraction form
    168,432.77/232,437.69 = 91,951.94/x
  3. Step 3: Cross multiply
    168,432.77x = 232,437.69 × 91,951.94
  4. Step 4: Simplify right side
    168,432.77x = 21,373,096,524.62
  5. Step 5: Solve for x
    x = 21,373,096,524.62/168,432.77
  6. Step 6: Final answer
    x = 126,893.93

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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.