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Finding the Fourth Proportional to 178,389.80, 267,583.49 and 43,452.26

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Solution

The fourth proportional to 178,389.80, 267,583.49 and 43,452.26 is: 65,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,389.80 : 267,583.49 = 43,452.26 : x
  2. Step 2: Convert to fraction form
    178,389.80/267,583.49 = 43,452.26/x
  3. Step 3: Cross multiply
    178,389.80x = 267,583.49 × 43,452.26
  4. Step 4: Simplify right side
    178,389.80x = 11,627,107,161.93
  5. Step 5: Solve for x
    x = 11,627,107,161.93/178,389.80
  6. Step 6: Final answer
    x = 65,178.09

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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.