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Finding the Fourth Proportional to 234,757.44, 323,961.12 and 134,153.28

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Solution

The fourth proportional to 234,757.44, 323,961.12 and 134,153.28 is: 185,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,757.44 : 323,961.12 = 134,153.28 : x
  2. Step 2: Convert to fraction form
    234,757.44/323,961.12 = 134,153.28/x
  3. Step 3: Cross multiply
    234,757.44x = 323,961.12 × 134,153.28
  4. Step 4: Simplify right side
    234,757.44x = 43,460,446,840.47
  5. Step 5: Solve for x
    x = 43,460,446,840.47/234,757.44
  6. Step 6: Final answer
    x = 185,129.16

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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.