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Finding the Fourth Proportional to 244,612.80, 366,919.20 and 156,039.30

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Solution

The fourth proportional to 244,612.80, 366,919.20 and 156,039.30 is: 234,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,612.80 : 366,919.20 = 156,039.30 : x
  2. Step 2: Convert to fraction form
    244,612.80/366,919.20 = 156,039.30/x
  3. Step 3: Cross multiply
    244,612.80x = 366,919.20 × 156,039.30
  4. Step 4: Simplify right side
    244,612.80x = 57,253,815,124.56
  5. Step 5: Solve for x
    x = 57,253,815,124.56/244,612.80
  6. Step 6: Final answer
    x = 234,058.95

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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.