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Finding the Fourth Proportional to 178,553.69, 267,846.26 and 66,235.13

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Solution

The fourth proportional to 178,553.69, 267,846.26 and 66,235.13 is: 99,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,553.69 : 267,846.26 = 66,235.13 : x
  2. Step 2: Convert to fraction form
    178,553.69/267,846.26 = 66,235.13/x
  3. Step 3: Cross multiply
    178,553.69x = 267,846.26 × 66,235.13
  4. Step 4: Simplify right side
    178,553.69x = 17,740,831,519.94
  5. Step 5: Solve for x
    x = 17,740,831,519.94/178,553.69
  6. Step 6: Final answer
    x = 99,358.53

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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.