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Finding the Fourth Proportional to 141,793.44, 195,555.78 and 85,193.88

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Solution

The fourth proportional to 141,793.44, 195,555.78 and 85,193.88 is: 117,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,793.44 : 195,555.78 = 85,193.88 : x
  2. Step 2: Convert to fraction form
    141,793.44/195,555.78 = 85,193.88/x
  3. Step 3: Cross multiply
    141,793.44x = 195,555.78 × 85,193.88
  4. Step 4: Simplify right side
    141,793.44x = 16,660,155,654.63
  5. Step 5: Solve for x
    x = 16,660,155,654.63/141,793.44
  6. Step 6: Final answer
    x = 117,495.96

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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.