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Finding the Fourth Proportional to 234,408.79, 323,468.13 and 132,438.54

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Solution

The fourth proportional to 234,408.79, 323,468.13 and 132,438.54 is: 182,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,408.79 : 323,468.13 = 132,438.54 : x
  2. Step 2: Convert to fraction form
    234,408.79/323,468.13 = 132,438.54/x
  3. Step 3: Cross multiply
    234,408.79x = 323,468.13 × 132,438.54
  4. Step 4: Simplify right side
    234,408.79x = 42,839,648,583.38
  5. Step 5: Solve for x
    x = 42,839,648,583.38/234,408.79
  6. Step 6: Final answer
    x = 182,756.16

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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.