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Finding the Fourth Proportional to 178,563.14, 267,673.84 and 66,213.30

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Solution

The fourth proportional to 178,563.14, 267,673.84 and 66,213.30 is: 99,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,563.14 : 267,673.84 = 66,213.30 : x
  2. Step 2: Convert to fraction form
    178,563.14/267,673.84 = 66,213.30/x
  3. Step 3: Cross multiply
    178,563.14x = 267,673.84 × 66,213.30
  4. Step 4: Simplify right side
    178,563.14x = 17,723,568,270.07
  5. Step 5: Solve for x
    x = 17,723,568,270.07/178,563.14
  6. Step 6: Final answer
    x = 99,256.59

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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.