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Finding the Fourth Proportional to 178,222.62, 267,751.96 and 168,134.88

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Solution

The fourth proportional to 178,222.62, 267,751.96 and 168,134.88 is: 252,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,222.62 : 267,751.96 = 168,134.88 : x
  2. Step 2: Convert to fraction form
    178,222.62/267,751.96 = 168,134.88/x
  3. Step 3: Cross multiply
    178,222.62x = 267,751.96 × 168,134.88
  4. Step 4: Simplify right side
    178,222.62x = 45,018,443,664.36
  5. Step 5: Solve for x
    x = 45,018,443,664.36/178,222.62
  6. Step 6: Final answer
    x = 252,596.69

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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.