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Finding the Fourth Proportional to 177,843.06, 266,839.47 and 77,951.70

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Solution

The fourth proportional to 177,843.06, 266,839.47 and 77,951.70 is: 116,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,843.06 : 266,839.47 = 77,951.70 : x
  2. Step 2: Convert to fraction form
    177,843.06/266,839.47 = 77,951.70/x
  3. Step 3: Cross multiply
    177,843.06x = 266,839.47 × 77,951.70
  4. Step 4: Simplify right side
    177,843.06x = 20,800,590,313.60
  5. Step 5: Solve for x
    x = 20,800,590,313.60/177,843.06
  6. Step 6: Final answer
    x = 116,960.37

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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.