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Finding the Fourth Proportional to 162,163.10, 243,244.65 and 73,414.64

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Solution

The fourth proportional to 162,163.10, 243,244.65 and 73,414.64 is: 110,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,163.10 : 243,244.65 = 73,414.64 : x
  2. Step 2: Convert to fraction form
    162,163.10/243,244.65 = 73,414.64/x
  3. Step 3: Cross multiply
    162,163.10x = 243,244.65 × 73,414.64
  4. Step 4: Simplify right side
    162,163.10x = 17,857,717,195.45
  5. Step 5: Solve for x
    x = 17,857,717,195.45/162,163.10
  6. Step 6: Final answer
    x = 110,121.96

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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.