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Finding the Fourth Proportional to 223,395.66, 308,286.02 and 122,793.66

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Solution

The fourth proportional to 223,395.66, 308,286.02 and 122,793.66 is: 169,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,395.66 : 308,286.02 = 122,793.66 : x
  2. Step 2: Convert to fraction form
    223,395.66/308,286.02 = 122,793.66/x
  3. Step 3: Cross multiply
    223,395.66x = 308,286.02 × 122,793.66
  4. Step 4: Simplify right side
    223,395.66x = 37,855,568,108.66
  5. Step 5: Solve for x
    x = 37,855,568,108.66/223,395.66
  6. Step 6: Final answer
    x = 169,455.25

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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.