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Finding the Fourth Proportional to 217,335.80, 325,614.90 and 134,132.60

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Solution

The fourth proportional to 217,335.80, 325,614.90 and 134,132.60 is: 200,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,335.80 : 325,614.90 = 134,132.60 : x
  2. Step 2: Convert to fraction form
    217,335.80/325,614.90 = 134,132.60/x
  3. Step 3: Cross multiply
    217,335.80x = 325,614.90 × 134,132.60
  4. Step 4: Simplify right side
    217,335.80x = 43,675,573,135.74
  5. Step 5: Solve for x
    x = 43,675,573,135.74/217,335.80
  6. Step 6: Final answer
    x = 200,958.95

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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.