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Finding the Fourth Proportional to 197,249.60, 295,874.40 and 187,140.80

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Solution

The fourth proportional to 197,249.60, 295,874.40 and 187,140.80 is: 280,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,249.60 : 295,874.40 = 187,140.80 : x
  2. Step 2: Convert to fraction form
    197,249.60/295,874.40 = 187,140.80/x
  3. Step 3: Cross multiply
    197,249.60x = 295,874.40 × 187,140.80
  4. Step 4: Simplify right side
    197,249.60x = 55,370,171,915.52
  5. Step 5: Solve for x
    x = 55,370,171,915.52/197,249.60
  6. Step 6: Final answer
    x = 280,711.20

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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.