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Finding the Fourth Proportional to 218,159.70, 327,105.45 and 84,884.73

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Solution

The fourth proportional to 218,159.70, 327,105.45 and 84,884.73 is: 127,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,159.70 : 327,105.45 = 84,884.73 : x
  2. Step 2: Convert to fraction form
    218,159.70/327,105.45 = 84,884.73/x
  3. Step 3: Cross multiply
    218,159.70x = 327,105.45 × 84,884.73
  4. Step 4: Simplify right side
    218,159.70x = 27,766,257,804.78
  5. Step 5: Solve for x
    x = 27,766,257,804.78/218,159.70
  6. Step 6: Final answer
    x = 127,274.92

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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.