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Finding the Fourth Proportional to 244,409.44, 366,672.48 and 86,651.68

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Solution

The fourth proportional to 244,409.44, 366,672.48 and 86,651.68 is: 129,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,409.44 : 366,672.48 = 86,651.68 : x
  2. Step 2: Convert to fraction form
    244,409.44/366,672.48 = 86,651.68/x
  3. Step 3: Cross multiply
    244,409.44x = 366,672.48 × 86,651.68
  4. Step 4: Simplify right side
    244,409.44x = 31,772,786,401.77
  5. Step 5: Solve for x
    x = 31,772,786,401.77/244,409.44
  6. Step 6: Final answer
    x = 129,998.20

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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.