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Finding the Fourth Proportional to 203,196.60, 304,794.90 and 132,337.80

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Solution

The fourth proportional to 203,196.60, 304,794.90 and 132,337.80 is: 198,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,196.60 : 304,794.90 = 132,337.80 : x
  2. Step 2: Convert to fraction form
    203,196.60/304,794.90 = 132,337.80/x
  3. Step 3: Cross multiply
    203,196.60x = 304,794.90 × 132,337.80
  4. Step 4: Simplify right side
    203,196.60x = 40,335,886,517.22
  5. Step 5: Solve for x
    x = 40,335,886,517.22/203,196.60
  6. Step 6: Final answer
    x = 198,506.70

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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.