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Finding the Fourth Proportional to 166,891.84, 250,127.52 and 119,258.80

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Solution

The fourth proportional to 166,891.84, 250,127.52 and 119,258.80 is: 178,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,891.84 : 250,127.52 = 119,258.80 : x
  2. Step 2: Convert to fraction form
    166,891.84/250,127.52 = 119,258.80/x
  3. Step 3: Cross multiply
    166,891.84x = 250,127.52 × 119,258.80
  4. Step 4: Simplify right side
    166,891.84x = 29,829,907,882.18
  5. Step 5: Solve for x
    x = 29,829,907,882.18/166,891.84
  6. Step 6: Final answer
    x = 178,737.97

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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.