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Finding the Fourth Proportional to 104,604.48, 156,950.42 and 45,489.84

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Solution

The fourth proportional to 104,604.48, 156,950.42 and 45,489.84 is: 68,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,604.48 : 156,950.42 = 45,489.84 : x
  2. Step 2: Convert to fraction form
    104,604.48/156,950.42 = 45,489.84/x
  3. Step 3: Cross multiply
    104,604.48x = 156,950.42 × 45,489.84
  4. Step 4: Simplify right side
    104,604.48x = 7,139,649,493.73
  5. Step 5: Solve for x
    x = 7,139,649,493.73/104,604.48
  6. Step 6: Final answer
    x = 68,253.76

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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.