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Finding the Fourth Proportional to 193,229.20, 289,843.80 and 52,987.60

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Solution

The fourth proportional to 193,229.20, 289,843.80 and 52,987.60 is: 79,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,229.20 : 289,843.80 = 52,987.60 : x
  2. Step 2: Convert to fraction form
    193,229.20/289,843.80 = 52,987.60/x
  3. Step 3: Cross multiply
    193,229.20x = 289,843.80 × 52,987.60
  4. Step 4: Simplify right side
    193,229.20x = 15,358,127,336.88
  5. Step 5: Solve for x
    x = 15,358,127,336.88/193,229.20
  6. Step 6: Final answer
    x = 79,481.40

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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.