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Finding the Fourth Proportional to 166,069.68, 248,890.68 and 60,763.20

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Solution

The fourth proportional to 166,069.68, 248,890.68 and 60,763.20 is: 91,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,069.68 : 248,890.68 = 60,763.20 : x
  2. Step 2: Convert to fraction form
    166,069.68/248,890.68 = 60,763.20/x
  3. Step 3: Cross multiply
    166,069.68x = 248,890.68 × 60,763.20
  4. Step 4: Simplify right side
    166,069.68x = 15,123,394,166.98
  5. Step 5: Solve for x
    x = 15,123,394,166.98/166,069.68
  6. Step 6: Final answer
    x = 91,066.56

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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.