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Finding the Fourth Proportional to 111,229.60, 166,858.80 and 55,098.40

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Solution

The fourth proportional to 111,229.60, 166,858.80 and 55,098.40 is: 82,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,229.60 : 166,858.80 = 55,098.40 : x
  2. Step 2: Convert to fraction form
    111,229.60/166,858.80 = 55,098.40/x
  3. Step 3: Cross multiply
    111,229.60x = 166,858.80 × 55,098.40
  4. Step 4: Simplify right side
    111,229.60x = 9,193,652,905.92
  5. Step 5: Solve for x
    x = 9,193,652,905.92/111,229.60
  6. Step 6: Final answer
    x = 82,654.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.