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Finding the Fourth Proportional to 168,288, 232,241.84 and 91,808.34

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Solution

The fourth proportional to 168,288, 232,241.84 and 91,808.34 is: 126,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,288 : 232,241.84 = 91,808.34 : x
  2. Step 2: Convert to fraction form
    168,288/232,241.84 = 91,808.34/x
  3. Step 3: Cross multiply
    168,288x = 232,241.84 × 91,808.34
  4. Step 4: Simplify right side
    168,288x = 21,321,737,349.90
  5. Step 5: Solve for x
    x = 21,321,737,349.90/168,288
  6. Step 6: Final answer
    x = 126,697.91

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