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Finding the Fourth Proportional to 110,838.78, 166,258.17 and 27,732.78

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Solution

The fourth proportional to 110,838.78, 166,258.17 and 27,732.78 is: 41,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,838.78 : 166,258.17 = 27,732.78 : x
  2. Step 2: Convert to fraction form
    110,838.78/166,258.17 = 27,732.78/x
  3. Step 3: Cross multiply
    110,838.78x = 166,258.17 × 27,732.78
  4. Step 4: Simplify right side
    110,838.78x = 4,610,801,251.81
  5. Step 5: Solve for x
    x = 4,610,801,251.81/110,838.78
  6. Step 6: Final answer
    x = 41,599.17

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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.