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Finding the Fourth Proportional to 162,361.68, 223,791.40 and 108,627.44

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Solution

The fourth proportional to 162,361.68, 223,791.40 and 108,627.44 is: 149,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,361.68 : 223,791.40 = 108,627.44 : x
  2. Step 2: Convert to fraction form
    162,361.68/223,791.40 = 108,627.44/x
  3. Step 3: Cross multiply
    162,361.68x = 223,791.40 × 108,627.44
  4. Step 4: Simplify right side
    162,361.68x = 24,309,886,876.02
  5. Step 5: Solve for x
    x = 24,309,886,876.02/162,361.68
  6. Step 6: Final answer
    x = 149,726.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.