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Finding the Fourth Proportional to 204,706.98, 307,060.47 and 79,960.50

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Solution

The fourth proportional to 204,706.98, 307,060.47 and 79,960.50 is: 119,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,706.98 : 307,060.47 = 79,960.50 : x
  2. Step 2: Convert to fraction form
    204,706.98/307,060.47 = 79,960.50/x
  3. Step 3: Cross multiply
    204,706.98x = 307,060.47 × 79,960.50
  4. Step 4: Simplify right side
    204,706.98x = 24,552,708,711.44
  5. Step 5: Solve for x
    x = 24,552,708,711.44/204,706.98
  6. Step 6: Final answer
    x = 119,940.75

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1.5x scale

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.