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Finding the Fourth Proportional to 234,153.42, 323,132.67 and 126,723.39

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Solution

The fourth proportional to 234,153.42, 323,132.67 and 126,723.39 is: 174,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,153.42 : 323,132.67 = 126,723.39 : x
  2. Step 2: Convert to fraction form
    234,153.42/323,132.67 = 126,723.39/x
  3. Step 3: Cross multiply
    234,153.42x = 323,132.67 × 126,723.39
  4. Step 4: Simplify right side
    234,153.42x = 40,948,467,362.15
  5. Step 5: Solve for x
    x = 40,948,467,362.15/234,153.42
  6. Step 6: Final answer
    x = 174,878.79

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