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Finding the Fourth Proportional to 177,546.80, 266,320.20 and 130,890.80

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Solution

The fourth proportional to 177,546.80, 266,320.20 and 130,890.80 is: 196,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,546.80 : 266,320.20 = 130,890.80 : x
  2. Step 2: Convert to fraction form
    177,546.80/266,320.20 = 130,890.80/x
  3. Step 3: Cross multiply
    177,546.80x = 266,320.20 × 130,890.80
  4. Step 4: Simplify right side
    177,546.80x = 34,858,864,034.16
  5. Step 5: Solve for x
    x = 34,858,864,034.16/177,546.80
  6. Step 6: Final answer
    x = 196,336.20

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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.