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Finding the Fourth Proportional to 136,045.20, 204,067.80 and 94,054.80

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Solution

The fourth proportional to 136,045.20, 204,067.80 and 94,054.80 is: 141,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,045.20 : 204,067.80 = 94,054.80 : x
  2. Step 2: Convert to fraction form
    136,045.20/204,067.80 = 94,054.80/x
  3. Step 3: Cross multiply
    136,045.20x = 204,067.80 × 94,054.80
  4. Step 4: Simplify right side
    136,045.20x = 19,193,556,115.44
  5. Step 5: Solve for x
    x = 19,193,556,115.44/136,045.20
  6. Step 6: Final answer
    x = 141,082.20

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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.