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Finding the Fourth Proportional to 166,649.70, 250,014.15 and 54,330.66

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Solution

The fourth proportional to 166,649.70, 250,014.15 and 54,330.66 is: 81,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,649.70 : 250,014.15 = 54,330.66 : x
  2. Step 2: Convert to fraction form
    166,649.70/250,014.15 = 54,330.66/x
  3. Step 3: Cross multiply
    166,649.70x = 250,014.15 × 54,330.66
  4. Step 4: Simplify right side
    166,649.70x = 13,583,433,778.84
  5. Step 5: Solve for x
    x = 13,583,433,778.84/166,649.70
  6. Step 6: Final answer
    x = 81,508.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.