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Finding the Fourth Proportional to 203,855.92, 281,362.58 and 117,818.60

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Solution

The fourth proportional to 203,855.92, 281,362.58 and 117,818.60 is: 162,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,855.92 : 281,362.58 = 117,818.60 : x
  2. Step 2: Convert to fraction form
    203,855.92/281,362.58 = 117,818.60/x
  3. Step 3: Cross multiply
    203,855.92x = 281,362.58 × 117,818.60
  4. Step 4: Simplify right side
    203,855.92x = 33,149,745,267.99
  5. Step 5: Solve for x
    x = 33,149,745,267.99/203,855.92
  6. Step 6: Final answer
    x = 162,613.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.