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Finding the Fourth Proportional to 166,993.29, 250,483.73 and 72,247.32

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Solution

The fourth proportional to 166,993.29, 250,483.73 and 72,247.32 is: 108,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,993.29 : 250,483.73 = 72,247.32 : x
  2. Step 2: Convert to fraction form
    166,993.29/250,483.73 = 72,247.32/x
  3. Step 3: Cross multiply
    166,993.29x = 250,483.73 × 72,247.32
  4. Step 4: Simplify right side
    166,993.29x = 18,096,777,834.87
  5. Step 5: Solve for x
    x = 18,096,777,834.87/166,993.29
  6. Step 6: Final answer
    x = 108,368.29

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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.