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Finding the Fourth Proportional to 111,754.91, 154,005.22 and 92,662.40

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Solution

The fourth proportional to 111,754.91, 154,005.22 and 92,662.40 is: 127,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,754.91 : 154,005.22 = 92,662.40 : x
  2. Step 2: Convert to fraction form
    111,754.91/154,005.22 = 92,662.40/x
  3. Step 3: Cross multiply
    111,754.91x = 154,005.22 × 92,662.40
  4. Step 4: Simplify right side
    111,754.91x = 14,270,493,297.73
  5. Step 5: Solve for x
    x = 14,270,493,297.73/111,754.91
  6. Step 6: Final answer
    x = 127,694.55

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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.