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Finding the Fourth Proportional to 111,752.91, 154,002.46 and 92,660.40

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Solution

The fourth proportional to 111,752.91, 154,002.46 and 92,660.40 is: 127,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,752.91 : 154,002.46 = 92,660.40 : x
  2. Step 2: Convert to fraction form
    111,752.91/154,002.46 = 92,660.40/x
  3. Step 3: Cross multiply
    111,752.91x = 154,002.46 × 92,660.40
  4. Step 4: Simplify right side
    111,752.91x = 14,269,929,544.58
  5. Step 5: Solve for x
    x = 14,269,929,544.58/111,752.91
  6. Step 6: Final answer
    x = 127,691.79

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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.