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Finding the Fourth Proportional to 165,183.60, 231,723.60 and 165,183.60

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Solution

The fourth proportional to 165,183.60, 231,723.60 and 165,183.60 is: 231,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,183.60 : 231,723.60 = 165,183.60 : x
  2. Step 2: Convert to fraction form
    165,183.60/231,723.60 = 165,183.60/x
  3. Step 3: Cross multiply
    165,183.60x = 231,723.60 × 165,183.60
  4. Step 4: Simplify right side
    165,183.60x = 38,276,938,452.96
  5. Step 5: Solve for x
    x = 38,276,938,452.96/165,183.60
  6. Step 6: Final answer
    x = 231,723.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.