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Finding the Fourth Proportional to 194,736, 268,737.72 and 108,703.08

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Solution

The fourth proportional to 194,736, 268,737.72 and 108,703.08 is: 150,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,736 : 268,737.72 = 108,703.08 : x
  2. Step 2: Convert to fraction form
    194,736/268,737.72 = 108,703.08/x
  3. Step 3: Cross multiply
    194,736x = 268,737.72 × 108,703.08
  4. Step 4: Simplify right side
    194,736x = 29,212,617,876.18
  5. Step 5: Solve for x
    x = 29,212,617,876.18/194,736
  6. Step 6: Final answer
    x = 150,011.39

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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.