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Finding the Fourth Proportional to 166,994.52, 230,455.44 and 91,542.48

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Solution

The fourth proportional to 166,994.52, 230,455.44 and 91,542.48 is: 126,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,994.52 : 230,455.44 = 91,542.48 : x
  2. Step 2: Convert to fraction form
    166,994.52/230,455.44 = 91,542.48/x
  3. Step 3: Cross multiply
    166,994.52x = 230,455.44 × 91,542.48
  4. Step 4: Simplify right side
    166,994.52x = 21,096,462,507.09
  5. Step 5: Solve for x
    x = 21,096,462,507.09/166,994.52
  6. Step 6: Final answer
    x = 126,330.27

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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.