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Finding the Fourth Proportional to 168,773.60, 253,160.40 and 89,847.20

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Solution

The fourth proportional to 168,773.60, 253,160.40 and 89,847.20 is: 134,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,773.60 : 253,160.40 = 89,847.20 : x
  2. Step 2: Convert to fraction form
    168,773.60/253,160.40 = 89,847.20/x
  3. Step 3: Cross multiply
    168,773.60x = 253,160.40 × 89,847.20
  4. Step 4: Simplify right side
    168,773.60x = 22,745,753,090.88
  5. Step 5: Solve for x
    x = 22,745,753,090.88/168,773.60
  6. Step 6: Final answer
    x = 134,770.80

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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.