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Finding the Fourth Proportional to 166,916.70, 250,326.45 and 60,288.30

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Solution

The fourth proportional to 166,916.70, 250,326.45 and 60,288.30 is: 90,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,916.70 : 250,326.45 = 60,288.30 : x
  2. Step 2: Convert to fraction form
    166,916.70/250,326.45 = 60,288.30/x
  3. Step 3: Cross multiply
    166,916.70x = 250,326.45 × 60,288.30
  4. Step 4: Simplify right side
    166,916.70x = 15,091,756,115.54
  5. Step 5: Solve for x
    x = 15,091,756,115.54/166,916.70
  6. Step 6: Final answer
    x = 90,414.90

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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.