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Finding the Fourth Proportional to 192,706.92, 266,012.82 and 127,286.28

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Solution

The fourth proportional to 192,706.92, 266,012.82 and 127,286.28 is: 175,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,706.92 : 266,012.82 = 127,286.28 : x
  2. Step 2: Convert to fraction form
    192,706.92/266,012.82 = 127,286.28/x
  3. Step 3: Cross multiply
    192,706.92x = 266,012.82 × 127,286.28
  4. Step 4: Simplify right side
    192,706.92x = 33,859,782,290.11
  5. Step 5: Solve for x
    x = 33,859,782,290.11/192,706.92
  6. Step 6: Final answer
    x = 175,706.10

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1.5x scale

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.