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Finding the Fourth Proportional to 178,221.62, 267,750.46 and 168,133.88

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Solution

The fourth proportional to 178,221.62, 267,750.46 and 168,133.88 is: 252,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,221.62 : 267,750.46 = 168,133.88 : x
  2. Step 2: Convert to fraction form
    178,221.62/267,750.46 = 168,133.88/x
  3. Step 3: Cross multiply
    178,221.62x = 267,750.46 × 168,133.88
  4. Step 4: Simplify right side
    178,221.62x = 45,017,923,711.58
  5. Step 5: Solve for x
    x = 45,017,923,711.58/178,221.62
  6. Step 6: Final answer
    x = 252,595.19

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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.