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Finding the Fourth Proportional to 166,883.30, 250,489.41 and 118,905.20

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Solution

The fourth proportional to 166,883.30, 250,489.41 and 118,905.20 is: 178,474.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,883.30 : 250,489.41 = 118,905.20 : x
  2. Step 2: Convert to fraction form
    166,883.30/250,489.41 = 118,905.20/x
  3. Step 3: Cross multiply
    166,883.30x = 250,489.41 × 118,905.20
  4. Step 4: Simplify right side
    166,883.30x = 29,784,492,141.49
  5. Step 5: Solve for x
    x = 29,784,492,141.49/166,883.30
  6. Step 6: Final answer
    x = 178,474.98

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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.