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Finding the Fourth Proportional to 217,131.60, 325,697.40 and 182,139.60

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Solution

The fourth proportional to 217,131.60, 325,697.40 and 182,139.60 is: 273,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,131.60 : 325,697.40 = 182,139.60 : x
  2. Step 2: Convert to fraction form
    217,131.60/325,697.40 = 182,139.60/x
  3. Step 3: Cross multiply
    217,131.60x = 325,697.40 × 182,139.60
  4. Step 4: Simplify right side
    217,131.60x = 59,322,394,157.04
  5. Step 5: Solve for x
    x = 59,322,394,157.04/217,131.60
  6. Step 6: Final answer
    x = 273,209.40

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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.