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Finding the Fourth Proportional to 166,506, 229,773.60 and 91,052.88

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Solution

The fourth proportional to 166,506, 229,773.60 and 91,052.88 is: 125,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,506 : 229,773.60 = 91,052.88 : x
  2. Step 2: Convert to fraction form
    166,506/229,773.60 = 91,052.88/x
  3. Step 3: Cross multiply
    166,506x = 229,773.60 × 91,052.88
  4. Step 4: Simplify right side
    166,506x = 20,921,548,027.97
  5. Step 5: Solve for x
    x = 20,921,548,027.97/166,506
  6. Step 6: Final answer
    x = 125,650.42

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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.