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Finding the Fourth Proportional to 252,837.40, 379,141.89 and 134,483.44

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Solution

The fourth proportional to 252,837.40, 379,141.89 and 134,483.44 is: 201,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,837.40 : 379,141.89 = 134,483.44 : x
  2. Step 2: Convert to fraction form
    252,837.40/379,141.89 = 134,483.44/x
  3. Step 3: Cross multiply
    252,837.40x = 379,141.89 × 134,483.44
  4. Step 4: Simplify right side
    252,837.40x = 50,988,305,615.30
  5. Step 5: Solve for x
    x = 50,988,305,615.30/252,837.40
  6. Step 6: Final answer
    x = 201,664.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.