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Finding the Fourth Proportional to 244,139.70, 366,209.55 and 155,456.85

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Solution

The fourth proportional to 244,139.70, 366,209.55 and 155,456.85 is: 233,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,139.70 : 366,209.55 = 155,456.85 : x
  2. Step 2: Convert to fraction form
    244,139.70/366,209.55 = 155,456.85/x
  3. Step 3: Cross multiply
    244,139.70x = 366,209.55 × 155,456.85
  4. Step 4: Simplify right side
    244,139.70x = 56,929,783,082.92
  5. Step 5: Solve for x
    x = 56,929,783,082.92/244,139.70
  6. Step 6: Final answer
    x = 233,185.28

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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.