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Finding the Fourth Proportional to 90,924.73, 136,383.87 and 27,742.30

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Solution

The fourth proportional to 90,924.73, 136,383.87 and 27,742.30 is: 41,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,924.73 : 136,383.87 = 27,742.30 : x
  2. Step 2: Convert to fraction form
    90,924.73/136,383.87 = 27,742.30/x
  3. Step 3: Cross multiply
    90,924.73x = 136,383.87 × 27,742.30
  4. Step 4: Simplify right side
    90,924.73x = 3,783,602,236.70
  5. Step 5: Solve for x
    x = 3,783,602,236.70/90,924.73
  6. Step 6: Final answer
    x = 41,612.47

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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.