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Finding the Fourth Proportional to 167,858.20, 251,787.30 and 149,487.40

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Solution

The fourth proportional to 167,858.20, 251,787.30 and 149,487.40 is: 224,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,858.20 : 251,787.30 = 149,487.40 : x
  2. Step 2: Convert to fraction form
    167,858.20/251,787.30 = 149,487.40/x
  3. Step 3: Cross multiply
    167,858.20x = 251,787.30 × 149,487.40
  4. Step 4: Simplify right side
    167,858.20x = 37,639,028,830.02
  5. Step 5: Solve for x
    x = 37,639,028,830.02/167,858.20
  6. Step 6: Final answer
    x = 224,231.10

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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.