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Finding the Fourth Proportional to 162,163.60, 243,245.39 and 73,415.14

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Solution

The fourth proportional to 162,163.60, 243,245.39 and 73,415.14 is: 110,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,163.60 : 243,245.39 = 73,415.14 : x
  2. Step 2: Convert to fraction form
    162,163.60/243,245.39 = 73,415.14/x
  3. Step 3: Cross multiply
    162,163.60x = 243,245.39 × 73,415.14
  4. Step 4: Simplify right side
    162,163.60x = 17,857,894,361.20
  5. Step 5: Solve for x
    x = 17,857,894,361.20/162,163.60
  6. Step 6: Final answer
    x = 110,122.71

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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.