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Finding the Fourth Proportional to 234,367.68, 323,447.40 and 132,411.96

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Solution

The fourth proportional to 234,367.68, 323,447.40 and 132,411.96 is: 182,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,367.68 : 323,447.40 = 132,411.96 : x
  2. Step 2: Convert to fraction form
    234,367.68/323,447.40 = 132,411.96/x
  3. Step 3: Cross multiply
    234,367.68x = 323,447.40 × 132,411.96
  4. Step 4: Simplify right side
    234,367.68x = 42,828,304,190.90
  5. Step 5: Solve for x
    x = 42,828,304,190.90/234,367.68
  6. Step 6: Final answer
    x = 182,739.81

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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.