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Finding the Fourth Proportional to 154,504.91, 213,234.72 and 94,110.91

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Solution

The fourth proportional to 154,504.91, 213,234.72 and 94,110.91 is: 129,883.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,504.91 : 213,234.72 = 94,110.91 : x
  2. Step 2: Convert to fraction form
    154,504.91/213,234.72 = 94,110.91/x
  3. Step 3: Cross multiply
    154,504.91x = 213,234.72 × 94,110.91
  4. Step 4: Simplify right side
    154,504.91x = 20,067,713,542.80
  5. Step 5: Solve for x
    x = 20,067,713,542.80/154,504.91
  6. Step 6: Final answer
    x = 129,883.99

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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.