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Finding the Fourth Proportional to 162,967.68, 244,474.20 and 74,243.52

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Solution

The fourth proportional to 162,967.68, 244,474.20 and 74,243.52 is: 111,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,967.68 : 244,474.20 = 74,243.52 : x
  2. Step 2: Convert to fraction form
    162,967.68/244,474.20 = 74,243.52/x
  3. Step 3: Cross multiply
    162,967.68x = 244,474.20 × 74,243.52
  4. Step 4: Simplify right side
    162,967.68x = 18,150,625,157.18
  5. Step 5: Solve for x
    x = 18,150,625,157.18/162,967.68
  6. Step 6: Final answer
    x = 111,375.61

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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.