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Finding the Fourth Proportional to 198,446.44, 297,358.50 and 168,742.12

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Solution

The fourth proportional to 198,446.44, 297,358.50 and 168,742.12 is: 252,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,446.44 : 297,358.50 = 168,742.12 : x
  2. Step 2: Convert to fraction form
    198,446.44/297,358.50 = 168,742.12/x
  3. Step 3: Cross multiply
    198,446.44x = 297,358.50 × 168,742.12
  4. Step 4: Simplify right side
    198,446.44x = 50,176,903,690.02
  5. Step 5: Solve for x
    x = 50,176,903,690.02/198,446.44
  6. Step 6: Final answer
    x = 252,848.60

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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.