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Finding the Fourth Proportional to 244,315.20, 366,472.80 and 161,209.20

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Solution

The fourth proportional to 244,315.20, 366,472.80 and 161,209.20 is: 241,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,315.20 : 366,472.80 = 161,209.20 : x
  2. Step 2: Convert to fraction form
    244,315.20/366,472.80 = 161,209.20/x
  3. Step 3: Cross multiply
    244,315.20x = 366,472.80 × 161,209.20
  4. Step 4: Simplify right side
    244,315.20x = 59,078,786,909.76
  5. Step 5: Solve for x
    x = 59,078,786,909.76/244,315.20
  6. Step 6: Final answer
    x = 241,813.80

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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.