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Finding the Fourth Proportional to 162,361.68, 243,542.56 and 106,249.04

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Solution

The fourth proportional to 162,361.68, 243,542.56 and 106,249.04 is: 159,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,361.68 : 243,542.56 = 106,249.04 : x
  2. Step 2: Convert to fraction form
    162,361.68/243,542.56 = 106,249.04/x
  3. Step 3: Cross multiply
    162,361.68x = 243,542.56 × 106,249.04
  4. Step 4: Simplify right side
    162,361.68x = 25,876,163,199.14
  5. Step 5: Solve for x
    x = 25,876,163,199.14/162,361.68
  6. Step 6: Final answer
    x = 159,373.59

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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.