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Finding the Fourth Proportional to 234,483.38, 323,593.08 and 143,889.41

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Solution

The fourth proportional to 234,483.38, 323,593.08 and 143,889.41 is: 198,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,483.38 : 323,593.08 = 143,889.41 : x
  2. Step 2: Convert to fraction form
    234,483.38/323,593.08 = 143,889.41/x
  3. Step 3: Cross multiply
    234,483.38x = 323,593.08 × 143,889.41
  4. Step 4: Simplify right side
    234,483.38x = 46,561,617,361.28
  5. Step 5: Solve for x
    x = 46,561,617,361.28/234,483.38
  6. Step 6: Final answer
    x = 198,571.08

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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.