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Finding the Fourth Proportional to 293,891.60, 441,067.80 and 136,139.60

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Solution

The fourth proportional to 293,891.60, 441,067.80 and 136,139.60 is: 204,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,891.60 : 441,067.80 = 136,139.60 : x
  2. Step 2: Convert to fraction form
    293,891.60/441,067.80 = 136,139.60/x
  3. Step 3: Cross multiply
    293,891.60x = 441,067.80 × 136,139.60
  4. Step 4: Simplify right side
    293,891.60x = 60,046,793,864.88
  5. Step 5: Solve for x
    x = 60,046,793,864.88/293,891.60
  6. Step 6: Final answer
    x = 204,316.13

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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.