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Finding the Fourth Proportional to 166,423.98, 229,665.10 and 89,942.84

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Solution

The fourth proportional to 166,423.98, 229,665.10 and 89,942.84 is: 124,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,423.98 : 229,665.10 = 89,942.84 : x
  2. Step 2: Convert to fraction form
    166,423.98/229,665.10 = 89,942.84/x
  3. Step 3: Cross multiply
    166,423.98x = 229,665.10 × 89,942.84
  4. Step 4: Simplify right side
    166,423.98x = 20,656,731,342.88
  5. Step 5: Solve for x
    x = 20,656,731,342.88/166,423.98
  6. Step 6: Final answer
    x = 124,121.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.