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Finding the Fourth Proportional to 252,618.56, 378,817.60 and 134,261.44

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Solution

The fourth proportional to 252,618.56, 378,817.60 and 134,261.44 is: 201,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,618.56 : 378,817.60 = 134,261.44 : x
  2. Step 2: Convert to fraction form
    252,618.56/378,817.60 = 134,261.44/x
  3. Step 3: Cross multiply
    252,618.56x = 378,817.60 × 134,261.44
  4. Step 4: Simplify right side
    252,618.56x = 50,860,596,473.34
  5. Step 5: Solve for x
    x = 50,860,596,473.34/252,618.56
  6. Step 6: Final answer
    x = 201,333.57

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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.