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Finding the Fourth Proportional to 224,067, 309,218.94 and 123,471.48

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Solution

The fourth proportional to 224,067, 309,218.94 and 123,471.48 is: 170,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,067 : 309,218.94 = 123,471.48 : x
  2. Step 2: Convert to fraction form
    224,067/309,218.94 = 123,471.48/x
  3. Step 3: Cross multiply
    224,067x = 309,218.94 × 123,471.48
  4. Step 4: Simplify right side
    224,067x = 38,179,720,165.83
  5. Step 5: Solve for x
    x = 38,179,720,165.83/224,067
  6. Step 6: Final answer
    x = 170,394.21

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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.