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Finding the Fourth Proportional to 133,630.70, 199,100.59 and 131,706.14

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Solution

The fourth proportional to 133,630.70, 199,100.59 and 131,706.14 is: 196,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,630.70 : 199,100.59 = 131,706.14 : x
  2. Step 2: Convert to fraction form
    133,630.70/199,100.59 = 131,706.14/x
  3. Step 3: Cross multiply
    133,630.70x = 199,100.59 × 131,706.14
  4. Step 4: Simplify right side
    133,630.70x = 26,222,770,180.62
  5. Step 5: Solve for x
    x = 26,222,770,180.62/133,630.70
  6. Step 6: Final answer
    x = 196,233.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.