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Finding the Fourth Proportional to 178,324.12, 267,904.12 and 168,236.36

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Solution

The fourth proportional to 178,324.12, 267,904.12 and 168,236.36 is: 252,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,324.12 : 267,904.12 = 168,236.36 : x
  2. Step 2: Convert to fraction form
    178,324.12/267,904.12 = 168,236.36/x
  3. Step 3: Cross multiply
    178,324.12x = 267,904.12 × 168,236.36
  4. Step 4: Simplify right side
    178,324.12x = 45,071,213,977.80
  5. Step 5: Solve for x
    x = 45,071,213,977.80/178,324.12
  6. Step 6: Final answer
    x = 252,748.84

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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.