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Finding the Fourth Proportional to 244,137, 336,880.70 and 142,184.74

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Solution

The fourth proportional to 244,137, 336,880.70 and 142,184.74 is: 196,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,137 : 336,880.70 = 142,184.74 : x
  2. Step 2: Convert to fraction form
    244,137/336,880.70 = 142,184.74/x
  3. Step 3: Cross multiply
    244,137x = 336,880.70 × 142,184.74
  4. Step 4: Simplify right side
    244,137x = 47,899,294,740.52
  5. Step 5: Solve for x
    x = 47,899,294,740.52/244,137
  6. Step 6: Final answer
    x = 196,198.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.