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Finding the Fourth Proportional to 111,267.40, 166,898.74 and 27,027.95

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Solution

The fourth proportional to 111,267.40, 166,898.74 and 27,027.95 is: 40,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,267.40 : 166,898.74 = 27,027.95 : x
  2. Step 2: Convert to fraction form
    111,267.40/166,898.74 = 27,027.95/x
  3. Step 3: Cross multiply
    111,267.40x = 166,898.74 × 27,027.95
  4. Step 4: Simplify right side
    111,267.40x = 4,510,930,799.78
  5. Step 5: Solve for x
    x = 4,510,930,799.78/111,267.40
  6. Step 6: Final answer
    x = 40,541.35

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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.