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Finding the Fourth Proportional to 164,079.60, 245,730.60 and 111,202.80

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Solution

The fourth proportional to 164,079.60, 245,730.60 and 111,202.80 is: 166,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,079.60 : 245,730.60 = 111,202.80 : x
  2. Step 2: Convert to fraction form
    164,079.60/245,730.60 = 111,202.80/x
  3. Step 3: Cross multiply
    164,079.60x = 245,730.60 × 111,202.80
  4. Step 4: Simplify right side
    164,079.60x = 27,325,930,765.68
  5. Step 5: Solve for x
    x = 27,325,930,765.68/164,079.60
  6. Step 6: Final answer
    x = 166,540.70

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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.