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Finding the Fourth Proportional to 244,813.80, 366,932.70 and 139,732.20

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Solution

The fourth proportional to 244,813.80, 366,932.70 and 139,732.20 is: 209,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,813.80 : 366,932.70 = 139,732.20 : x
  2. Step 2: Convert to fraction form
    244,813.80/366,932.70 = 139,732.20/x
  3. Step 3: Cross multiply
    244,813.80x = 366,932.70 × 139,732.20
  4. Step 4: Simplify right side
    244,813.80x = 51,272,313,422.94
  5. Step 5: Solve for x
    x = 51,272,313,422.94/244,813.80
  6. Step 6: Final answer
    x = 209,433.92

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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.