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Finding the Fourth Proportional to 162,057.96, 243,086.94 and 43,729.29

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Solution

The fourth proportional to 162,057.96, 243,086.94 and 43,729.29 is: 65,593.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,057.96 : 243,086.94 = 43,729.29 : x
  2. Step 2: Convert to fraction form
    162,057.96/243,086.94 = 43,729.29/x
  3. Step 3: Cross multiply
    162,057.96x = 243,086.94 × 43,729.29
  4. Step 4: Simplify right side
    162,057.96x = 10,630,019,294.47
  5. Step 5: Solve for x
    x = 10,630,019,294.47/162,057.96
  6. Step 6: Final answer
    x = 65,593.94

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Similar ratio
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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.